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Ethyl Bromide Synthesis Question
The best way is to use red phosphorus as a source of in-situ PBr₃, of course.

If I’m not mist ...
3-11-2024 at 23:41
by: Keras
EU Water Aspirator..
I use a farmer appliance, one of those made to pump and spread phytosanitary treatments into fields. ...
3-11-2024 at 05:22
by: Keras
EU Water Aspirator..
Why would you use a faucet with a water aspirator? This is a huge squandering of water. Use a pail a ...
3-11-2024 at 03:36
by: Keras
Phenol from toluene
[rquote=696454&tid=160661&author=bnull]
[list=A][*][b]Oxidation of toluene to benzoic acid. ...
2-11-2024 at 23:39
by: Keras
Phenol from toluene
[rquote=696451&tid=160661&author=Texium][rquote=696449&tid=160661&author=Keras]Drat, ...
2-11-2024 at 23:35
by: Keras
Phenol from toluene
[rquote=696447&tid=160661&author=Texium][rquote=696444&tid=160661&author=Keras]Oxidi ...
2-11-2024 at 06:47
by: Keras
Vacuum Pump
For vacuum filtration I use a cheap Chinese pump (see picture).

I was expecting low quality, but ...
2-11-2024 at 06:25
by: Keras
Phenol from toluene
There is no cheap way to do this.

Oxidise toluene to benzoic acid using potassium permanganate th ...
2-11-2024 at 03:04
by: Keras
1,3,5-trinitrobenzene preparation from trinitrotoluene
[rquote=696376&tid=158341&author=Boffis]Apparently TNB can be prepared by the spontaneous tr ...
30-10-2024 at 05:20
by: Keras
1,3,5-trinitrobenzene preparation from trinitrotoluene
Is there another way to synthesise TNB rather than going the round way through TNT? I would like to ...
29-10-2024 at 06:37
by: Keras
Nitrocellulose won't ignite..
I hope this is not your last post… :/
25-10-2024 at 05:00
by: Keras
Distilling H2SO4 from NaHSO4
Please do. We’ll be pleased to help
11-10-2024 at 10:19
by: Keras
Distilling H2SO4 from NaHSO4
[rquote=696009&tid=160618&author=woelen]Maybe in quartz, but I do not have that. I heated un ...
11-10-2024 at 02:39
by: Keras
Distilling H2SO4 from NaHSO4
[rquote=695982&tid=160618&author=dex]
If I can read this correctly, then why isn't it sugge ...
10-10-2024 at 11:53
by: Keras
recovering ethanol from gasoline
I've tried to recover ethanol from E85 I feed into my car. It works, but it involves adding enough w ...
6-10-2024 at 22:39
by: Keras
Rookie question - drying potassium hydroxide
There is nothing to be afraid of with KOH fusion. The compound is super tame, as long as you put it ...
5-10-2024 at 11:49
by: Keras
oleum & SO3
[rquote=695778&tid=727&author=Alkoholvergiftung]Keras. Ive read in an old journal that an re ...
5-10-2024 at 06:32
by: Keras
oleum & SO3
[rquote=695771&tid=727&author=Random]Look[/rquote]

Yeah, so you'd end up with a partially ...
5-10-2024 at 06:27
by: Keras
Tetraphenylazadipyrromethene
Speaking of acetophenone, I was planning to synthesise some starting from a Grignard between acetald ...
3-10-2024 at 02:56
by: Keras
Spill of chromic acid - cleanup
[rquote=429785&tid=64530&author=ave369]My lab's right now messy, since I'm on meds and every ...
30-9-2024 at 07:53
by: Keras
oleum & SO3
Making oleum by pyrolysis of sodium bisulphate.
The drops of liquid SO₃ fall directly into concen ...
29-9-2024 at 23:25
by: Keras
CrO3
So, I had that chromium III oxide (green powder) left over from my very beginning in home chemistry ...
29-9-2024 at 11:19
by: Keras
Attempting anhydrous ethanol with CaO
Wouldn't phosphorus pentoxide do the job? Or would it react with ethanol, converting it to… well, ...
25-9-2024 at 00:23
by: Keras
CrO3
[rquote=695394&tid=6116&author=woelen]
Limac also sells dichromates:
https://www.limac.lv ...
16-9-2024 at 08:47
by: Keras
CrO3
I’m not even sure potassium dichromate is available in the EU, btw.
Which would make chromic acid ...
15-9-2024 at 07:42
by: Keras
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