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I bought a lab glassware lot and id like Thoughts on the condensers that are jacketed over the female joint portion
I can't think why that would be good but I also can't think why it would be bad except for what Sula ...
5-11-2024 at 06:18
by: jackchem2001
How to safely open HDPE bottles with cap inserts.?
This will not help with chemicals you are receiving, but the pressure buildup in storage is because ...
19-10-2024 at 16:14
by: jackchem2001
Calcium Sulphate Destroys Glassware
Very interesting, good to know. Could the cracking instead be due to a crust forming with a differen ...
1-10-2024 at 03:37
by: jackchem2001
(Somewhat bad) Synthesis of Piperonal
DCM is said to act poorly as an alkylating agent due to an anomeric-type effect of its most favorabl ...
30-9-2024 at 15:23
by: jackchem2001
Diethylether (sulfuric acid saving method)
Surprisingly methyl bisulfate salts (salts of methyl hydrogen sulfate) are used as counterions in dr ...
29-9-2024 at 22:26
by: jackchem2001
making sodium ethyl sulfate from spent acid-ether reaction mixture
On your last point, I wonder if cautiously adding H2O2 to the spent reaction acid mixture could rege ...
25-9-2024 at 22:55
by: jackchem2001
Diethylether (sulfuric acid saving method)
The ethylene byproduct and low conversion per pass with alumina is a bit unfortunate. Having multipl ...
25-9-2024 at 19:56
by: jackchem2001
Diethylether (sulfuric acid saving method)
I realized my original post doesn't make this very clear but I am bubbling the ethanol into the mixt ...
21-9-2024 at 19:42
by: jackchem2001
Diethylether (sulfuric acid saving method)
I think I may have found a way to improve the typical lab scale ether preparation. Usually, liquid e ...
20-9-2024 at 22:39
by: jackchem2001
DIY water aspirator vacuum pump
The vacuum is limited by the vapor pressure of the fluid, so a low vapor pressure oil would be ideal ...
11-9-2024 at 17:28
by: jackchem2001
Isolation of Chloral Hydrate
In the presence of water, the aldehyde will form a diol which is further oxidized to the carboxylic ...
11-9-2024 at 17:26
by: jackchem2001
DIY water aspirator vacuum pump
How are you determining your level of vacuum?
8-9-2024 at 03:54
by: jackchem2001
Amateur Friendly Aliphatic Aldehyde Reduction
I was under the impression that Pd/C (and other metals) catalyzed hydrogenation generally do not red ...
7-9-2024 at 20:23
by: jackchem2001
Diethylether (sulfuric acid saving method)
[rquote=695169&tid=160329&author=MrDoctor]
testing ether % with cold calcium chloride solut ...
6-9-2024 at 18:06
by: jackchem2001
"Let's Distill Some H2SO4!" -Last Words
[rquote=694891&tid=160300&author=metalresearcher]What I miss in this topic is that why TO do ...
25-8-2024 at 19:45
by: jackchem2001
Suggestions on vacuum pump purchase
I found that when measuring the vacuum pressure with a gauge, I had to coat the thread in silicone g ...
14-8-2024 at 22:08
by: jackchem2001
Off-topic conjecture split from "A foray into phenethylamines of the Shulgin kind"
Phenyl esters have anhydride-like pi character and so are not very stable. At some point I want to t ...
14-8-2024 at 22:03
by: jackchem2001
"Let's Distill Some H2SO4!" -Last Words
I have not done this hazardous procedure so these are just my speculations on some of the posts in t ...
9-8-2024 at 19:44
by: jackchem2001
Ethylchloride preparation
From https://www.orgsyn.org/demo.aspx?prep=CV2P0279, this may work with NaCl and ethanol instead

...
5-8-2024 at 19:49
by: jackchem2001
Acrylic acid by dehydration of Lactic acid?
I don't have much to contribute but from the structure of lactic acid I think a carbon monoxide dete ...
4-8-2024 at 15:09
by: jackchem2001
Extremely dangerous and inadvisable method for producing nitrite esters (Split from "Preparation of ionic nitrites")
An oxidizing agent is one which can accept a lone pair and eliminate an adjacent proton. Nitric acid ...
19-7-2024 at 21:14
by: jackchem2001
Preparation of ionic nitrites
Thanks for all of the comments

[rquote=694147&tid=52&author=Sir_Gawain]I’ve also had a ...
16-7-2024 at 17:54
by: jackchem2001
Preparation of ionic nitrites
I have attempted reduction of KNO3 with CaSO3 a couple of times. I will leave some observations here ...
11-7-2024 at 04:54
by: jackchem2001
Diethylether (sulfuric acid saving method)
Continuing from my last post suggesting the addition of sodium sulfate to catalyse the formation of ...
3-7-2024 at 01:04
by: jackchem2001
Homemade and Repurposed Lab Gear
It is common to use aluminium foil to create an insulating layer of air around a boiling flask. If t ...
24-6-2024 at 21:21
by: jackchem2001
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