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Chromate/Dichromate thermite
If you just want chromium metal, you should reduce the dichromate to Cr2O3 first. The reaction will ... |
3-8-2020 at 10:32
by: Metacelsus |
Recommendations for synthesis of medicines and other medical organic molecules.
Benzocaine is also a good target. You can do toluene -> p-nitrotoluene -> p-nitrobenzoic acid ... |
29-7-2020 at 05:12
by: Metacelsus |
Would you feel comfortable using aniline and n,n-dimethylaniline (possible carcinogens) in a home lab?
I made toluidine in a home lab in the past. As long as you have good ventilation (fume hood or outsi ... |
29-7-2020 at 05:10
by: Metacelsus |
Health effects of acute, low concentration acid vapors.
Long-term (years) exposure to acid vapors is known to cause an increased risk of cancer. See: https: ... |
23-7-2020 at 06:02
by: Metacelsus |
Here are some STL files
You can use a program such as Slic3r to convert them to gcode for your printer.
[file]82328[/fil ... |
18-7-2020 at 08:23
by: Metacelsus |
Getting Discouraged With Organic Chemistry As A Hobby. Failed Steglich Esterification
You may have decomposed your product by heating it up too much. T-butyl esters can easily undergo el ... |
17-7-2020 at 09:42
by: Metacelsus |
KOMe / Potassium Methoxide Safety
I've never heard of potassium methoxide decomposing explosively, and I can't find any references for ... |
16-7-2020 at 11:31
by: Metacelsus |
Coal & Derivatives
[rquote=640576&tid=155788&author=SWIM]I see a 500 ml bottle of USP (medical grade) coal tar ... |
14-7-2020 at 04:42
by: Metacelsus |
Failed Henry reaction with 3,4,5-TMB
Here's the ammonium acetate procedure:
Aldehyde (25 mmol) and ammonium acetate (25 mmol, 1.93 g) ... |
11-7-2020 at 12:46
by: Metacelsus |
Reactions of mixed anhydrites
In general the product will be a mixture. If one side is more hindered than the other, the ratio cou ... |
11-7-2020 at 06:03
by: Metacelsus |
Failed Henry reaction with 3,4,5-TMB
Ammonium acetate is a perfectly good catalyst for this (giving 96% yields in my hands), there's no n ... |
11-7-2020 at 06:00
by: Metacelsus |
Amazing fluorescent precipitate of copper(I) with propargyl alcohol
I did copper(I) catalyzed couplings of propargyl alcohol with other terminal alkynes quite a few tim ... |
9-7-2020 at 09:18
by: Metacelsus |
Weird smell from Zn + FeSO4 reaction vessel?
It could be SO2 or H2S (reaction product of FeS and moisture). |
6-7-2020 at 09:12
by: Metacelsus |
Things I Will Never Make
[rquote=488834&tid=72825&author=JJay]I'd probably use phenyllithium and copper (I) chloride. ... |
6-7-2020 at 09:08
by: Metacelsus |
does autoignition temperature even matter when refluxing a liquid?,
If you have a system above the autoignition temperature, any leak will result in a fire. But in your ... |
6-7-2020 at 07:22
by: Metacelsus |
Precursors to um… something. Suggestions invited.
[rquote=639649&tid=155702&author=draculic acid69]The clorobenzaldehyde can be weighed per ml ... |
2-7-2020 at 04:31
by: Metacelsus |
Anhydrous Aluminum Chloride prepration
The ethanol will react with the AlCl3, since AlCl3 is a very strong Lewis acid. The final products w ... |
30-6-2020 at 05:27
by: Metacelsus |
UK source for stains & microbio stuff
Crystal violet is pretty cheap at Himedia, and very useful for Gram stains. I see $16 for 25 grams. ... |
29-6-2020 at 08:05
by: Metacelsus |
Why is tin and HCl rxn so slow?
From personal experience, Sn/HCl reductions of nitro groups go very quickly, producing tin chloride ... |
28-6-2020 at 11:23
by: Metacelsus |
Cyclic diester from 2,2'-oxydibenzoic acid?
Sigma-Aldrich pricing is bonkers. There's no way that's actually worth $5560/g. |
15-6-2020 at 05:56
by: Metacelsus |
Isolation and Synthesis: Benzyne?
I did my undergrad work on benzyne chemistry (specifically, the HDDA reaction). PM me if you'd like ... |
6-6-2020 at 04:02
by: Metacelsus |
Advice on buying a GC/MS
GC-MS is better, but the maintenance and operating costs will be higher. With IR you don't need gas ... |
18-5-2020 at 05:25
by: Metacelsus |
Questions about mRNA vaccine for Coronavirus
[rquote=636343&tid=155417&author=wg48temp9]So they synthesis a mRNA corresponding to part of ... |
18-5-2020 at 05:22
by: Metacelsus |
Problems with the synthesis of formaldehyde by pyrolysis of metal formates
If you just want formaldehyde, why not buy trioxane or paraformaldehyde? |
17-5-2020 at 04:53
by: Metacelsus |
Reducing metal oxides with wood gas
[rquote=635979&tid=155377&author=RogueRose][rquote=635935&tid=155377&author=Metacels ... |
13-5-2020 at 19:10
by: Metacelsus |
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