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How toxic is methanol actually?
Don't get methanol into your eyes. It can be absorbed directly into the optic nerve, where it does t ...
22-4-2018 at 09:14
by: PirateDocBrown
US Group Buy: Sodium bromide and phthalic anhydride
I'd take 200g of phthalic anhydride.
18-4-2018 at 23:04
by: PirateDocBrown
Mercury...again
I once had my dentist beg me to take his off his hands.
18-4-2018 at 09:47
by: PirateDocBrown
OTC source of thiocyanates or ferrocyanides?
You can easily find Mrs Stewart's bluing on eBay.

I also would like to hear of good synthetic rou ...
18-4-2018 at 09:39
by: PirateDocBrown
OTC source of thiocyanates or ferrocyanides?
You can get Prussian Blue by just evaporating off the water from laundry bluing. Around here you can ...
18-4-2018 at 07:50
by: PirateDocBrown
Buying chemicals
[rquote=513533&tid=81107&author=aga][rquote=513478&tid=81107&author=Tsjerk]... as a ...
18-4-2018 at 07:10
by: PirateDocBrown
Whats the most dangerous chemical you've ever synthesized?
When I was in grad school, I made hydrocarbons that later would ligate to metal centers, forming cat ...
15-4-2018 at 15:17
by: PirateDocBrown
List of Chemicals and Materials Made by Sciencemadness.org Users
Sodium Cyanide by carbothermic reaction.
Chloroform by haloform.
1,4 Dioxane by acid catalyzed deh ...
14-4-2018 at 12:13
by: PirateDocBrown
Preserving Chemistry Channels
While looking up all those, I found some more!

Akhil the Chemist
Aussie Chemist
Hazel Chem
Tom ...
14-4-2018 at 12:06
by: PirateDocBrown
Preserving Chemistry Channels
Here's what I subscribe to:

aga
AllChemystery
Astral Chemistry
Chem Explorer
chemx01
Chem Pl ...
14-4-2018 at 11:13
by: PirateDocBrown
General questions
Nonsense. E-flasks are designed for gentle reflux of low boiling solvents.
29-3-2018 at 08:38
by: PirateDocBrown
Recristallisation of NaBH4
[rquote=511268&tid=81312&author=Sidmadra]... is very cheap industrial reagent to begin with. ...
20-3-2018 at 16:09
by: PirateDocBrown
N-Hexyllithium and N-Octyllithium - nonpyrophoric variants - Anyone ever worked with them?
Guard against atmospheric moisture. They will rapidly hydrolyze.
20-3-2018 at 09:41
by: PirateDocBrown
Essential Chemicals for the Organic Lab
I also keep the inventory on a nice spreadsheet:

Notice the background color for the CAS is also ...
18-3-2018 at 10:15
by: PirateDocBrown
Essential Chemicals for the Organic Lab
Here's my present inventory:

Almost all this stuff is gotten OTC, or ordered from pottery supply, ...
18-3-2018 at 09:52
by: PirateDocBrown
Separating metals out of a coin
I posted, long ago, a method for separating Ni and Cu derived from cupronickel coins. If there is al ...
14-3-2018 at 18:18
by: PirateDocBrown
Separating metals out of a coin
If you want to get Ni out of coins that only have 5% of it, you are better off switching coins. Try ...
14-3-2018 at 00:25
by: PirateDocBrown
RotoVap
[rquote=509929&tid=81022&author=PrussianBlue].[/rquote]

I have one of these. I got it sur ...
10-3-2018 at 10:08
by: PirateDocBrown
Preparation of “Absolute” Ethanol (<100 ppm water)
Also, back in grad school, I used NaOH-saturated isopropanol (probably 99%, but I'm sure 91% would d ...
25-2-2018 at 18:31
by: PirateDocBrown
Preparation of “Absolute” Ethanol (<100 ppm water)
[rquote=508483&tid=80742&author=Magpie]
silicone oil for oil bath (DOT 5 brake fluid works ...
25-2-2018 at 18:24
by: PirateDocBrown
Idea for Breaksafe Reagent Bottles
Tool dipping can be done at room temperature.
17-2-2018 at 01:10
by: PirateDocBrown
1,4-Dioxane from Ethelene Glycol and H2SO4
After about 200 mL of crude product came over, I added another 200 mL of antifreeze to the cooled re ...
13-2-2018 at 00:55
by: PirateDocBrown
Inert atmosphere :Vacuum as good as Nitrogen ?
N2 is easy to generate. NaNO2 + NH4Cl. Pass the gas through a drying tube, and voila! nearly pure N2 ...
12-2-2018 at 21:23
by: PirateDocBrown
1,4-Dioxane from Ethelene Glycol and H2SO4
Not sure why it does that. It's right side up, when you click on it.
10-2-2018 at 13:25
by: PirateDocBrown
1,4-Dioxane from Ethelene Glycol and H2SO4
I just turned out a batch.

300 mLs of the cheapest antifreeze concentrate Wal-Mart had, with 30 m ...
10-2-2018 at 05:43
by: PirateDocBrown
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