Sciencemadness Discussion Board - Hard to find, high quality reagents and glassware for sale!

Hard to find, high quality reagents and glassware for sale!

Texium - 18-2-2024 at 20:17

I have unpacked and sorted all of my chemicals! This thread will be updated every week or two until I have finished taking inventory.

To start this off, I have some high purity salts manufactured by Merck that are still unopened in their original packaging. Prices are in USD. I am willing to ship these worldwide:
Potassium bromide (500 g) (2 available) $50
Potassium iodide (500 g) $80 Sold out
Cesium chloride (1 kg) $250 Sold out (more available in bulk from open containers)
Cesium bromide (250 g) (2 available) $100
Cesium iodide (1 kg) (1 available) $250
Cesium iodide (250 g) (3 available) $100
Rubidium chloride (100 g) (2 available) $200

Below is a spreadsheet with many other reagents that I'm willing to sell in variable quantities. It now contains an updated list of inorganic chemicals and all of the bulk organic chemicals.

Attachment: Chemicals For Sale 9-13-25.xlsx (19kB)
This file has been downloaded 250 times

I tried to set reasonable prices based on other suppliers I could find, but I didn't spend incredibly long researching, so if you find a legit supplier with a better price, I will do my best to price-match. I am comfortable shipping many things worldwide, but international orders for less than $50 may not be worth the cost of shipping. I'm also not willing to ship particularly toxic water-soluble salts or oxidizers overseas. This is clarified for each item in the spreadsheet.

Finally, I have made another spreadsheet with more niche organic compounds that I have in smaller quantities (<250 g, some as low as 1 g). I didn't want to take the time to price these since most of them are very specific. The quantities listed are the original bottle size. The actual contents may be less, but I will measure them to confirm the precise weight on inquiry. Some of them I may want to keep a few grams of as well, so the quantity that I'm willing to sell may be lower. If you're interested in any of these, just send me an inquiry by U2U and we can discuss quantity and price.

Attachment: Niche Organic Compounds 3-10-24.xlsx (12kB)
This file has been downloaded 1088 times (everything still available as of 2-14-2025)

Glassware:
Here is a spreadsheet with all of the more standard glassware I have available:

Attachment: Glassware For Sale 9-13-25.xlsx (21kB)
This file has been downloaded 176 times

Unless otherwise specified, everything is of high quality American or European make and is in fair (some cosmetic scratches but no structurally compromising cracks) to like new condition. Earlier orders will get the nicest condition pieces available.

More niche/specialty items will be posted below, with pictures.

[Edited on 9-14-2025 by Texium]

Texium - 25-2-2024 at 09:24

Here are some pictures of the unopened potassium, rubidium, and cesium halides:

[Edited on 4-22-2024 by Texium]

Cendre - 7-3-2024 at 00:14

Have you been able to inventory more of your chemicals?

Texium - 7-3-2024 at 16:05

I've been very busy the last few weeks, but I'm going to get to it this weekend. I'm aiming to have the rest of the chemicals inventoried and posted here by Saturday night my time. The only inorganics I have left to inventory are some miscellaneous potassium and sodium salts.

Then there's a ton of organics. There's a limited number of generally useful organics that I have in large enough quantity to sell in bulk like the inorganic salts. Off the top of my head: citric acid, phenol, benzophenone, n-butyl chloride, benzyl acetate, phthalic anhydride, phthalimide, oxalic acid. I also have dozens of niche compounds in small quantities, some of which I'll likely never have a use for myself. I'll post those as a separate list. Since many of them might have limited appeal, I won't take the time to price all of them. You can just make an offer if you're interested.

Texium - 9-3-2024 at 11:24

Just found unopened bags of aluminum sulfate and sodium sulfate decahydrate from Dharma Trading that are too cheap to be worth splitting up:
Aluminum sulfate (5 lb) (1 available) $10
Sodium sulfate decahydrate (5 lb) (1 available) $5

[Edited on 4-21-2024 by Texium]

Texium - 9-3-2024 at 18:31

There really weren't a lot of inorganics left that were actually worth selling. This is all I added to that list:
Potassium periodate
Potassium iodate
Sodium sulfate, anhydrous
Sodium dithionite/hydrosulfite
Sodium metaperiodate
Sodium pyrophosphate, decahydrate
Sodium bromate
Sodium fluoride
Sodium formate
Disodium EDTA dihydrate
Sodium nitrite

See the updated spreadsheet for amounts and pricing (in the first post of this thread). It is also updated with the bulk organics. Niche organics will be posted in a second spreadsheet tomorrow.

The only stuff that I haven't listed is liquids. I'm not sure if it's worth the risk and hassle to ship liquids. Feel free to inquire though if you are able to pick up locally.

Texium - 10-3-2024 at 13:52

The niche organic compounds spreadsheet has been posted (edited into the first post).

experientialLearning - 18-3-2024 at 19:19

I purchased some chemicals and they showed up looking great! Big thanks to Texium for putting these for sale.

Dr.Bob - 29-3-2024 at 18:42

Got some stuff from Texium, a great deal. He even had a few things I did not already have, which is rare.

Texium - 21-4-2024 at 11:02

EL and Dr. Bob, thank you both for the good feedback!

I am happy to announce that glassware is now available! See the first post for the spreadsheet. I have some other more niche things that I will begin posting pictures of as well. I'm also planning on putting together some "bargain bins" of things that are either impractical to use (e.g., no ground glass joints), somewhat broken, or just plain weird.

Special Glassware

Texium - 21-4-2024 at 16:21

129: This is a cheap Chinese distillation apparatus. It actually has a bit of a story. It was the first distillation apparatus I purchased about 10 years ago. I christened it with bromine. Didn't use it for much after that because I acquired better equipment. I sold it to Atrum several years ago, and now it has returned to me. The boiling flask takes a 24/29 stopper but I couldn't find it. The condenser's top joint is 14/20. It's a strange little rig. I'm asking $25 for it (clamps and stands are not included).

130: Two cold traps for a vacuum system. Could also be used for gas washing. 130A is 24/40, 130B is 19/38 and has holes in the downtube likely to prevent suckback. $15 each. Sold

131: Miscellaneous 14/20 cow adapters. 131A and 131B require a special vacuum take-off adapter to function, which I don't have available. 131A has teflon-wrapped joints. It seems to be permanently bonded to the glass. Pretty nice, and I've never seen anything like it before. C, D, E, and G are compatible with a 14/20 short path distillation setup. C has 4 3 mL graduated tubes. The graduations are worn off on some and it looks like it was repaired once or twice. I am reserving F to be sold with 133C because it is the only one that fits it, unless someone elects to by 133C without it.

132A: Complete 24/40 cow receiver setup. Compatible glass stopcock will be provided.

132B: 19/22 cow receiver, missing distribution adapter. Comes with 1 10 mL receiver.

133A: 24/40 400 mm Vigreux column with built in still head. 10/30 thermometer joint. $40

133B: 24/40 Kontes Claisen still head with built-in 200 mm Vigreux column. 10/30 thermometer joint at top of column. $50

133C: 14/20 short-path distillation setup with built-in 200 mm Vigreux column. The column was originally vacuum jacketed, but the jacket is broken. It still functions, just perhaps not as efficiently. 10/18 thermomter joint at top of column. Angled blue glass drip tip to be used with cow. I recommend purchasing 131F cow receiver for compatibility. The other cows I have are too small. $100

133D: 24/40 all-in-one distillation setup. Built-in 100 mm Vigreux column with 10/30 thermometer joint at top. 200 mm West condenser, vacuum take-off. $60

133E: 24/40 200 mm Liebig condenser with built-in still head. 10/30 thermometer joint at top of still head. $30

[Edited on 1-10-2025 by Texium]

Old non-ground-glass condensers

Texium - 21-4-2024 at 16:31

134A: 600 mm Alihn condenser. Two available. $20
134B: 400 mm Alihn condenser. $15
134C: 200 mm Graham condenser. $15

Keep in mind that the 600 mm condensers will be particularly expensive to ship. I consider these a "glassblower's special," because if you have the ability to retrofit these with 24/40 joints, it will increase their value significantly.

$1 Bargain Bin

Texium - 22-4-2024 at 09:19

Here's the $1 Bargain Bin glassware! Every item in these pictures costs $1. Plus, if you order at least $20 of glassware and/or chemicals, I'll throw in one item of your choice for free, while supplies last.

B1A 60 mL Pyrex viscosimeter flask Sold

B1B Absurdly long 24/40 thermometer well Sold

B1C Kimax glass tube with tubing ports and removable plastic ends with holes and rubber O-rings. I think you could make a condenser out of this with a suitable size piece of glass tubing?

B1D Lot of three weird tubes (if anyone has an idea of what these are, please share)

B1E Kontes glass stopcock with adapter meant to take an O-ring and metal clamp

B1F Lot of 6 pieces assorted glass tubing

B1G Pestle part for tissue grinder

B1H Thistle funnel, looks like the top of a Kipp's apparatus

B1I Strange tube with 10/18 male joint. Glass frit at tip of joint.

B1J Lot of two straight drying tubes Sold

B1K Pyrex glass bottle ~200 mL with hose barb at base

B1L Bellco tube (cracked) full of bent glass stirring rods

B1M Kontes U-shaped tube with two male 24/40 joints Sold

B1N Packard Shlenck bomb (?), 100 mL, 14/20 male joint Sold

B1O 50 mL Kimax centrifuge tube, takes 19 mm ground glass stopper. I should be able to throw in a matching stopper.

B1P Lot of 3 50 mL Kimax graduated centrifuge tubes

B1Q 25 mL Kimax pear-shaped distilling flask Sold

B1S 24/40 angled adapter

B1T Straight tube with male 24/40 joint, no joint at top Sold

B1U 10 mL Erlenmeyer flask, chipped on the rim

B1V 5 mL Ace graduated vial for microscale reactions

B1W 14/20 thermometer adapter missing plastic part

B1X test tube with 14/20 female joint Sold

B1Y flared tube with 14/20 male joint Sold

B1Z Kimax U-tube

B1AA Kimax bulb with hose barb

B1BB Lot of three Pyrex tubes with 24/40 male joints. I believe these are stock joints for glassblowers to use rather than having an intended use as-is. Sold

B1CC Lot of two weird tubes.

B1DD Lot of two Pyrex tubing "T" pieces

B1EE 50 mL Pyrex distilling flask

B1FF Pyrex 19/22 vacuum take-off adapter, bottom joint is broken

[Edited on 2-14-2025 by Texium]

$5 Bargain Bin

Texium - 22-4-2024 at 09:40

And this is the $5 Bargain Bin. Every piece in these pictures costs $5, and if you order at least $50 worth of chemicals and/or equipment from me, I'll throw one of your choice in for free, while supplies last.

B5A 2000 mL Kimax RBF, neck is broken. Flask has some external scratches/etching.

B5B 500 mL Pyrex Florence flask, no ground glass joint, small crack in the top of the neck but still usable.

B5C 600 mL Pyrex Florence flask, top of neck lip is ground glass as if it was designed to fit flush with another piece and be clamped together

B5D 125 mL Pyrex distilling flask, like-new condition Sold

B5E 250 mL Pyrex iodine flask. Takes 24 mm stopper. Sold

B5F 250 mL Bellco Erlenmeyer flask with extra long, wide neck.

B5G 250 mL heavy-walled Pyrex filter flask with broken hose barb

B5H 200 mL Kimax volumetric flask with unusual flared top

B5I 24/40 Kjeldahl bulb with hose barb outlet

B5J Pyrex gravity chromatography column with fritted disc at bottom and glass stopcock. Will provide fitting stopcock. Sold

B5K Pyrex chromatography column with 125 mL solvent reservoir and glass stopcock. Will provide fitting stopcock. Takes 19 mm stopper, which may be provided if I find more. Sold

B5L 60 mL Pyrex addition funnel with glass stopcock and long stem Sold

B5M ~30 mL addition funnel, angled. Will provide fitting glass stopcock. Sold

B5N Tiny bubbler Sold

B5O 25 mL Dean-Stark trap without ground glass joints. Will provide fitting glass stopcock.

B5P Huge 3-way glass stopcock

B5Q ~1 L Pyrex bottle with 2 24/40 joints Sold

B5R 200 mm Pyrex Vigreux column without ground glass joints.

B5S Large glass tube with 24/40 male joint on one end and 45/50 male joint on other end

B5T Weirdly tall Pyrex 24/40 "h" still head for vertical distillation setup

B5U Pyrex 24/40 odd angled adapter Sold

B5V Unusual Pyrex still head with 2 24/40 male joints and one 19/38 female joint

B5W Kontes 24/40 Y adapter

B5X Pyrex 29/42 tube for cold trap or gas bubbler Sold

B5Y Ace 29/42 tube for cold trap or gas bubbler Sold

B5Z Large Pyrex Dean-Stark trap (?) with male 24/40 joint and female 29/42 joint. Bottom joint is broken but still intact enough to work.

B5AA Strange giant reactor thing. 60/50 center joint, 24/40 and 14/35 side arm joints. Third side arm is broken off.

[Edited on 1-15-2025 by Texium]

[Edited on 2-14-2025 by Texium]

[Edited on 2-14-2025 by Texium]

[Edited on 2-14-2025 by Texium]

bnull - 22-4-2024 at 16:08

Quote: Originally posted by Texium

B1D Lot of three weird tubes (if anyone has an idea of what these are, please share)

They look like those microfilter funnels. Pregl or something.

Dr.Bob - 25-4-2024 at 11:15

Man, you have almost as much weird stuff as I do. Good luck selling it, if anyone likes Texium's stuff, I likely have more stuff like it, but he has even a few things I have never seen. Would be great for someone in Hollywood trying to make a scientific looking set... Maybe they can use some of it when they make the Breaking Bad sequel, eventually.

Texium - 15-5-2024 at 10:23

Found some volumetric pipettes that I’m willing to sell for $2 each. Note that you’ll probably want to buy these with other items since they’re long and the shipping for them alone would cost a lot more than the item. I have six 15 mL and ten 20 mL ones available.

Also found some new test tubes:

3 cases of 10x75 mm disposable test tubes. Each case contains 250 tubes. I’d be willing to sell these for $20 each.

2 cases of ~15x130 mm screw top test tubes, NO LIDS. 250 tubes per case. I’m asking $30 for each case of these.

dettoo456 - 25-5-2024 at 19:17

Goes without saying, but Texium ships fast, is extremely helpful and fair with items and pricing, and sends glass packaged great. Thanks

Sturge11 - 24-10-2024 at 10:46

Quote: Originally posted by Texium

I have unpacked and sorted all of my chemicals! This thread will be updated every week or two until I have finished taking inventory.

To start this off, I have some high purity salts manufactured by Merck that are still unopened in their original packaging. Prices are in USD. I am willing to ship these worldwide:
Potassium bromide (500 g) (2 available) $50
Potassium iodide (500 g) (2 available) $80
Cesium chloride (1 kg) (1 available) $250
Cesium bromide (250 g) (2 available) $100
Cesium iodide (1 kg) (2 available) $250
Cesium iodide (250 g) (3 available) $100
Rubidium chloride (100 g) (2 available) $200

Below is a spreadsheet with many other reagents that I'm willing to sell in variable quantities. It now contains an updated list of inorganic chemicals and all of the bulk organic chemicals.

I tried to set reasonable prices based on other suppliers I could find, but I didn't spend incredibly long researching, so if you find a legit supplier with a better price, I will do my best to price-match. I am comfortable shipping many things worldwide, but international orders for less than $50 may not be worth the cost of shipping. I'm also not willing to ship particularly toxic water-soluble salts or oxidizers overseas. This is clarified for each item in the spreadsheet.

Finally, I have made another spreadsheet with more niche organic compounds that I have in smaller quantities (<250 g, some as low as 1 g). I didn't want to take the time to price these since most of them are very specific. The quantities listed are the original bottle size. The actual contents may be less, but I will measure them to confirm the precise weight on inquiry. Some of them I may want to keep a few grams of as well, so the quantity that I'm willing to sell may be lower. If you're interested in any of these, just send me an inquiry by U2U and we can discuss quantity and price.

Update 4-21-24: Glassware is now available!
Here is a spreadsheet with all of the more standard glassware I have available:

Unless otherwise specified, everything is of high quality American or European make and is in good to like new condition. I know it pales in comparison to what Dr. Bob has to offer, but I do have a good selection of 24/40 distillation glassware, which I understand he is running low on.

More niche/specialty items will be posted below, with pictures.

[Edited on 4-21-2024 by Texium]

Well this was a decade ago, do you still have the KBr? What about MgBr2?

Sir_Gawain - 24-10-2024 at 13:59

A decade? That was this year.

Texium - 24-10-2024 at 18:52

I assume he was being hyperbolic?

I still have the unopened KBr and a lot more in bulk. I don't have magnesium bromide and never have. I haven't sold much in the last few months (haven't been aggressively bumping this thread, I've been quite busy). The spreadsheets I posted are still mostly up-to-date.

In fact, I actually acquired a lot more glassware this week, so I need to add more to that one. It's mostly more of the same, but most interestingly, I got a ton of unusual 29/26 distillation glassware, condensers, addition funnels, and flasks that are mostly in pristine condition. I would like to sell most of that as a set since it's a rather uncommon joint size, so if there are any big glassware enjoyers out there who would appreciate a very unique kit, stay tuned. I'm going to be traveling out of state starting Saturday, and I'll be away for two weeks. After I get home I'll take inventory of the new stuff and post more details.

Also, until the end of the year, I am offering a 30% discount on all chemicals and glassware, whether you would like to purchase something as a Secret Santa gift or just want to treat yourself!

myzel9 - 4-11-2024 at 02:22

Quote: Originally posted by Texium

I assume he was being hyperbolic?

I still have the unopened KBr and a lot more in bulk. I don't have magnesium bromide and never have. I haven't sold much in the last few months (haven't been aggressively bumping this thread, I've been quite busy). The spreadsheets I posted are still mostly up-to-date.

In fact, I actually acquired a lot more glassware this week, so I need to add more to that one. It's mostly more of the same, but most interestingly, I got a ton of unusual 29/26 distillation glassware, condensers, addition funnels, and flasks that are mostly in pristine condition. I would like to sell most of that as a set since it's a rather uncommon joint size, so if there are any big glassware enjoyers out there who would appreciate a very unique kit, stay tuned. I'm going to be traveling out of state starting Saturday, and I'll be away for two weeks. After I get home I'll take inventory of the new stuff and post more details.

Also, until the end of the year, I am offering a 30% discount on all chemicals and glassware, whether you would like to purchase something as a Secret Santa gift or just want to treat yourself!

I'm interested in the Kbr if it's still available and a few more chems. Also the 29/26 distillation setup also some other stuff on your list. Just need to narrow it down. Hopefully, I can save you a trip to the post office since I believe I'm not far.
I'll be on the lookout for the update on your return.

Cheers

drakedevel - 1-1-2025 at 21:09

In case others were curious, B5E is an iodine flask, used for some types of iodometric analysis (at least historically). The cone above the stopper allows for a liquid to be poured in to form an airtight seal without grease or PTFE. The stopper itself is often elongated to make it easier to remove without contacting the liquid.

I assume the history of this goes back much further, but one somewhat recent reference to this use is the now-withdrawn ASTM D1541-97 "Standard Test Method for Total Iodine Value of Drying Oils and Their Derivatives", which describes an hour-long reaction using such a seal:

Quote:

8.2 Make sure that the specimen is completely dissolved, and then in a darkened room ..., pipet into the flask 10.0 mL of the Hg(C₂H₃O₂)₂ solution. Swirl the flask two or three times, add 50.0 mL of the Rosenmund-Kuhnhenn reagent, and note the time. Stopper the flask, add a small amount of KI solution to the well of the flask to seal it, swirl until the contents are well mixed (2 or 3 s), and place the flask in a dark place at a temperature of 23 to 27°C.
8.3 Exactly 1 h after the addition of the Rosenmund-Kuhnhenn reagent to the specimen, bring the flask out...

(I sure am glad my job doesn't involve manipulating mercury acetate and concentrated acids in a darkened room!)

Iodine flasks apparently also make a decent makeshift pycnometer per ASTM D854-02 "Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer":

Quote:

5.1 Pycnometer—The water pycnometer shall be either a stoppered flask, stoppered iodine flask, or volumetric flask with a minimum capacity of 250 mL. ...
5.1.1 ... The stoppered iodine flask has a flared collar that allows the stopper to be placed at an angle during thermal equilibration and prevents water from spilling down the sides of the flask when the stopper is installed. The wetting the outside of the flask is undesirable because it creates changes in the thermal equilibrium.

Texium - 7-1-2025 at 10:15

@drakedevel – thanks for sharing the info about the iodine flask!

I have updated the chemical and glassware spreadsheets posted in the OP. There is not much change for the chemicals, but I have gotten a lot more glassware, so even though I've sold some, there has still been a net increase in the quantity and variety of pieces available! New items since I last updated the sheet are shown in blue text to make it more obvious, though I have also increased the quantity of many of the other items that were already on there.

I have still not inventoried the 29/26 glassware yet. I would ideally like to sell it as a set to a single buyer, so if that interests you, please let me know, and I can post some pictures and more details. It includes many single and multineck flasks ranging from 100 mL to 2000 mL, distillation adapters, condensers of various types, addition funnels, and more specialized pieces.

I also have a couple of Büchi rotovaps available. I haven't posted about them yet because I need to see how many complete systems I can assemble and decide what I want to keep for myself. I'll try to get that info posted within the next couple weeks.

myzel9 - 12-1-2025 at 01:03

@Texium, man I just realized that what I originally wanted from you I forgot to even mention plus a bunch of other stuff I left. I Can't thank you enough letting me check out your impressive collection. It was awesome.

I'll be reaching out soon to hopefully get another haul.

yobbo II - 12-1-2025 at 16:43

I think this is an 'Iodine' stopper.

https://www.sciencemadness.org/whisper/files.php?pid=625589&...

How does having a funnel neck allow an airtight seal without grease?

Yob

[Edited on 13-1-2025 by yobbo II]

drakedevel - 13-1-2025 at 22:17

Quote: Originally posted by yobbo II

I think this is an 'Iodine' stopper.

https://www.sciencemadness.org/whisper/files.php?pid=625589&...

How does having a funnel neck allow an airtight seal without grease?

Yob

[Edited on 13-1-2025 by yobbo II]

I agree, that stopper does look like one that goes with an iodine flask.

The wet ground glass joint is what provides the airtight seal, just like with grease. The funnel neck provides a convenient way to get the joint thoroughly wet and supplies a reservoir of excess liquid so evaporation takes longer to compromise the seal.

SuperOxide - 15-1-2025 at 03:52

Quote: Originally posted by Texium

And this is the $5 Bargain Bin. Every piece in these pictures costs $5, and if you order at least $50 worth of chemicals and/or equipment from me, I'll throw one of your choice in for free, while supplies last.

B5A 2000 mL Kimax RBF, neck is broken. Flask has some external scratches/etching.

B5B 500 mL Pyrex Florence flask, no ground glass joint, small crack in the top of the neck but still usable.

B5C 600 mL Pyrex Florence flask, top of neck lip is ground glass as if it was designed to fit flush with another piece and be clamped together

B5D 125 mL Pyrex distilling flask, like-new condition

B5E 250 mL Pyrex iodine flask. Takes 24 mm stopper. Sold

B5F 250 mL Bellco Erlenmeyer flask with extra long, wide neck.

B5G 250 mL heavy-walled Pyrex filter flask with broken hose barb

B5H 200 mL Kimax volumetric flask with unusual flared top

B5I 24/40 Kjeldahl bulb with hose barb outlet

B5J Pyrex gravity chromatography column with fritted disc at bottom and glass stopcock. Will provide fitting stopcock. Sold

B5K Pyrex chromatography column with 125 mL solvent reservoir and glass stopcock. Will provide fitting stopcock. Takes 19 mm stopper, which may be provided if I find more. Sold

B5L 60 mL Pyrex addition funnel with glass stopcock and long stem Sold

B5M ~30 mL addition funnel, angled. Will provide fitting glass stopcock.

B5N Tiny bubbler

B5O 25 mL Dean-Stark trap without ground glass joints. Will provide fitting glass stopcock.

B5P Huge 3-way glass stopcock

B5Q ~1 L Pyrex bottle with 2 24/40 joints

B5R 200 mm Pyrex Vigreux column without ground glass joints.

B5S Large glass tube with 24/40 male joint on one end and 45/50 male joint on other end

B5T Weirdly tall Pyrex 24/40 "h" still head for vertical distillation setup

B5U Pyrex 24/40 odd angled adapter Sold

B5V Unusual Pyrex still head with 2 24/40 male joints and one 19/38 female joint

B5W Kontes 24/40 Y adapter

B5X Pyrex 29/42 tube for cold trap or gas bubbler Sold

B5Y Ace 29/42 tube for cold trap or gas bubbler Sold

B5Z Large Pyrex Dean-Stark trap (?) with male 24/40 joint and female 29/42 joint. Bottom joint is broken but still intact enough to work.

B5AA Strange giant reactor thing. 60/50 center joint, 24/40 and 14/35 side arm joints. Third side arm is broken off.

[Edited on 1-10-2025 by Texium]

Just curious, what could B5S ("Large glass tube with 24/40 male joint on one end and 45/50 male joint on other end") be used for? Im curious why it has two male joints instead of two female joints (but maybe im just more used to seeing tubes with female joints on them)

Texium - 15-1-2025 at 11:41

I have no clue, and that is why it is in the bargain bin

SuperOxide - 21-1-2025 at 06:21

Btw, I received my order of some 45/50 condensers and reagents from Texium last week - Excellent quality and price. Very happy with my purchase

Texium - 15-2-2025 at 09:22

I posted updated spreadsheets yesterday which reflect the flurry of sales I've had the last month. However, I've decided that after finishing up the orders that I'm currently working on, I'm going to put a pause on further orders for the next few months. I'm preparing for my dissertation defense, and I need to limit other obligations and distractions as much as possible until I'm past that. I will likely resume sales this summer though, so feel free to still send me a U2U if there are items you would like to put on reserve. I just won't fulfill the order until summer.

moviez - 26-3-2025 at 16:02

Quote: Originally posted by Texium

I posted updated spreadsheets yesterday which reflect the flurry of sales I've had the last month. However, I've decided that after finishing up the orders that I'm currently working on, I'm going to put a pause on further orders for the next few months. I'm preparing for my dissertation defense, and I need to limit other obligations and distractions as much as possible until I'm past that. I will likely resume sales this summer though, so feel free to still send me a U2U if there are items you would like to put on reserve. I just won't fulfill the order until summer.

Best of luck! Be a doctor soon

Texium - 19-7-2025 at 17:00

I am accepting orders again starting now!

Radiums Lab - 22-8-2025 at 06:38

I ordered some Caesium Chloride from Texium and it arrived safely and smoothly.
He was very patient during the delivery process too.

bariumbromate - 22-8-2025 at 21:19

can i please get the 1-H-tetrazole price?

Texium - 23-8-2025 at 20:44

Quote: Originally posted by bariumbromate

can i please get the 1-H-tetrazole price?

$15 for 1 gram. I can provide a discount if you want to buy all of it, but I have to weigh what I have. It's less than 5 grams.

Texium - 13-9-2025 at 16:03

I'm attaching a PDF version of my spreadsheets here upon request. These files will not be updated in the future unless someone asks, so unless you can't open xlsx, please see the files posted in the OP for the most up-to-date info.

A couple updates:
-Potassium iodide is mostly sold out. Only 100 g portions and smaller are now available, and once another 100 g sells, that's it.

-Malonic acid is also running low. Only 25 g and smaller portions are now available.

-I've decided I'm ok with selling mercury salts. They will only be available to buyers in the contiguous US and must be picked up locally or shipped by UPS ground. I have mercury(II) chloride, bromide, and iodide available. See the spreadsheet for pricing details.

Attachment: Chemicals For Sale 9-13-25.pdf (45kB)
This file has been downloaded 203 times

Attachment: Glassware For Sale 9-13-25.pdf (53kB)
This file has been downloaded 137 times

wvcruffler - 28-9-2025 at 06:37

excellent transaction cheers!

violet sin - 30-9-2025 at 08:12

I had an easy time dealing with texium, the price was great, shipping fast and friendly. Everything arrived well and good. Thank you kindly good sir

I would easily order from you again, thanks for the opportunity to add to my collection, something I've wanted for a long time.

-VS

SnailsAttack - 12-11-2025 at 04:01

hey, I'm interested in purchasing the glassware for a simple distillation setup. what I specifically want is a setup that can distill ammonia, hydrochloric acid and/or nitric acid and collect their vapors in water.

I'm not sure if this requires the distilled vapor to be bubbled into some water or if the same effect is achieved from the water that condenses in the condenser before dripping into the receiving flask. I don't know exactly how it works in practice.

I haven't worked with air-tight 'flow-control' glassware before but I think I would need the following items:
- one 500 mL round-bottom flask (24/40) (item 22j)
- one 250 mL round-bottom flask (24/40) (item 22f)
- one 150 mm liebig condensor (24/40) (item 43d or 43e)
- one 75° adapter (24/40) (i think i want the one with the 10/30 thermometer joint? (item 46b))
- one 105° adapter (24/40) (i'm unsure whether I want the one with the vacuum take-off (item 50c or 50d) or without the take-off (item 51b), or both.)

in addition to the required glassware I would need a thermometer, rubber tubing for the condensor and some of those little plastic clamps that fit the 24/40 glassware. I'd also need a metal stand with a clamp and a heating mantle to fit the 500 mL flask, if those are things that you have and would be willing to sell me.

[Edited on 11/12/2025 by SnailsAttack]

davidfetter - 12-11-2025 at 11:43

Quote: Originally posted by SnailsAttack

hey, I'm interested in purchasing the glassware for a simple distillation setup. what I specifically want is a setup that can distill ammonia, hydrochloric acid and/or nitric acid and collect their vapors in water.

[Edited on 11/12/2025 by SnailsAttack]

What those projects require before anything else is a good fume hood with some way to scrub what it pulls through before exhausting it to the rest of the world.

SnailsAttack - 12-11-2025 at 12:04

Quote: Originally posted by davidfetter

What those projects require before anything else is a good fume hood with some way to scrub what it pulls through before exhausting it to the rest of the world.

my bedroom has a window and sometimes it happens to be open while i'm doing chemistry

Sodium Nitrite Still Available?

TheFuriousMoleFister - 27-11-2025 at 21:58

Hi

I was wondering if you still have sodium Nitrite available? I have tried my hand at synthesizing it using both the sodium metabisulfite reaction and as well as the graphite+NaNO3+CaOH reason and while it does produce brown gas upon the addition of strong mineral acid. When used in a sandmeyer type reaction it is not producing the desired end result. So I am landing on maybe it's not pure enough or some impurity is messing it up. Getting my hands on some professionally produced NaNO2 will help me eliminate a variable from my current quest.

Sodium Nitrite Still Available?

TheFuriousMoleFister - 27-11-2025 at 22:02

Hi

I was wondering if you still have sodium Nitrite available? I have tried my hand at synthesizing it using both the sodium metabisulfite reaction and as well as the graphite+NaNO3+CaOH reason and while it does produce brown gas upon the addition of strong mineral acid. When used in a sandmeyer type reaction it is not producing the desired end result. So I am landing on maybe it's not pure enough or some impurity is messing it up. Getting my hands on some professionally produced NaNO2 will help me eliminate a variable from my current quest.

chempyre235 - 28-11-2025 at 20:09

If you have access to nitrate, this procedure might help.

Quote:

Procedure:
An isolated crucible holder was made from 2 tin cans, one 1 liter tin can, and a 620 ml tin can. The two cans were cut in half to reduce the height and the smaller can placed into the larger can. The space between the cans was stuffed with glasswool to provide isolation. Then, four holes were drilled 3 cm from the bottom and iron wire was then inserted through the holes in the can to provide support for the crucible. A small stainless steel grate was then put on top of the iron wire to make a flat surface for the crucible to stand on (Photo 163). A small 75 ml porcelain crucible was put inside the isolated crucible holder. The crucible was small enough to allow a 1.5 cm spacing from the edges, through which the exhaust gasses of the burner can escape, and allows even heating (Photo 164). The whole assembly was put on top of a 0.8 kW butane gas burner, and 3 g potassium nitrate added to the crucible (Photo 164,165, Note 1). The burner was lit and put on lowest setting, to prevent the porcelain crucible from cracking due to thermal shock. Over the course of about 10 minutes, the burner flame was gradually increased. When the potassium nitrate was molten, 3 gram of copper powder was slowly added, while stirring the melt with a thin stainless steel spatula (Photo 165,166, Note 1). Upon further heating to about 450°C, the copper powder slowly started to become black in colour due to the formation of copper(II)oxide (Photo 167). The mixture was stirred occasionally and strongly heated to about 520°C, as measured by an infrared thermometer. After 45 minutes of heating and stirring, the heating was gradually lowered, upon which the potassium nitrite crystallized as long visible dendrites (Photo 168).

This procedure is courtesy of Theodore Curtius. I'd just post the whole file, but the attachment is too large (10.4MB).

TheFuriousMoleFister - 6-12-2025 at 04:18

Very Interesting! I will definitely give this a try, and let you know the results. Any ideas on the purity and yield?

chempyre235 - 10-12-2025 at 13:33

The whole article can be found here.

Dr.Bob - 21-12-2025 at 07:45

Bought a few more items from Texium to finish a few kits for people. As before, the items were well wrapped and shipped fast. He is a great resource for glassware and chemicals.

SnailsAttack - 21-3-2026 at 02:09

Disregard my earlier inquiry about the distillation glassware, I was eventually able to make my own distillation setup out of random crap after realizing I can't afford to blow several hundred dollars on (extremely generously discounted) lab equipment.

Doesn't matter, I'm actually here to ask: why the hell do you own over ten thousand dollars worth of cesium salts?