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p-nitrosophenol purification
Folks,

I attempted yesterday to synthesise p-nitrosophenol (path to paracetamol) from phenol and ...
10-4-2022 at 23:22
by: Keras
very viscous styrene
You can stabilise styrene using hydroquinone or BHT
27-3-2022 at 02:14
by: Keras
Very OTC Sodium NItrite
Update: I did that. I just dropped a screw made of zinc plated steel into a solution of a few hundre ...
22-3-2022 at 11:47
by: Keras
Very OTC Sodium NItrite
Is there any reason why zinc or iron could not reduced nitrates?

Since NO₃⁻ + H₂O + 2 e⁻ ...
22-3-2022 at 01:08
by: Keras
Very OTC Sodium NItrite
[rquote=672157&tid=77186&author=clearly_not_atara]The ions electrostatically repel; there is ...
21-3-2022 at 11:57
by: Keras
Sodium Hypochlorite "bleach" reagent OTC
Alternatively, you can buy calcium hypochlorite, which is a solid and therefore less subject to that ...
21-3-2022 at 01:59
by: Keras
Very OTC Sodium NItrite
[rquote=672008&tid=77186&author=Keras]Still, I’m surprised that the sodium dithionite meth ...
21-3-2022 at 00:55
by: Keras
Very OTC Sodium NItrite
Thanks!

I put my hands on [i]Vogel's Qualitative Inorganic Analysis[/i], and there’s at least t ...
16-3-2022 at 22:26
by: Keras
Very OTC Sodium NItrite
Alright, I tried potassium nitrate + sodium hydroxide + sodium thiosulphate.

There’s a slight c ...
16-3-2022 at 12:45
by: Keras
Very OTC Sodium NItrite
Still, I’m surprised that the sodium dithionite method doesn’t work. If I follow the CRC Handboo ...
15-3-2022 at 23:08
by: Keras
Very OTC Sodium NItrite
[rquote=671991&tid=77186&author=Antiswat]@keras
dithionite is very difficult to handle
[/r ...
15-3-2022 at 22:21
by: Keras
Very OTC Sodium NItrite
[rquote=671972&tid=77186&author=unionised]"Thiosulfates are stable only in neutral or alkali ...
14-3-2022 at 12:42
by: Keras
Very OTC Sodium NItrite
Reading this thread, I was wondering if potassium nitrate could be reduced to potassium nitrite usin ...
14-3-2022 at 10:07
by: Keras
Benzaldehyde By Reduction Of Benzoic Acid
[rquote=671953&tid=151617&author=hodges]According to this site: [url=https://www.instructabl ...
13-3-2022 at 13:12
by: Keras
Benzaldehyde By Reduction Of Benzoic Acid
[rquote=671954&tid=151617&author=DraconicAcid][rquote=671951&tid=151617&author=Keras ...
13-3-2022 at 13:09
by: Keras
Benzaldehyde By Reduction Of Benzoic Acid
[rquote=671868&tid=151617&author=hodges]
From the videos I've watched, this reaction appear ...
13-3-2022 at 12:26
by: Keras
Allene from acetone and P₂O₅
[rquote=671699&tid=158405&author=Fery]Keras you asked an interesting question. Here they use ...
7-3-2022 at 03:32
by: Keras
Allene from acetone and P₂O₅
[rquote=671687&tid=158405&author=Fery]Keras, the acetone could by dry. H2O is a product of c ...
6-3-2022 at 23:50
by: Keras
Allene from acetone and P₂O₅
So
I poured a small quantity of phosphorus pentoxide into a small beaker, and added acetone dropwis ...
6-3-2022 at 11:57
by: Keras
Is it now illegal to buy from chemcraft?
[rquote=671648&tid=158416&author=B(a)P][rquote=671645&tid=158416&author=Jenks][rquot ...
5-3-2022 at 02:54
by: Keras
Synthesis of thioacetone?
What’s funny about thioacetone is that it seems to stink more in a diluted form (so far away from ...
4-3-2022 at 00:35
by: Keras
‘Carl Roth’ chemicals
[rquote=671613&tid=158430&author=chemship1978]Carl Roth is a perfectly fine supplier and the ...
3-3-2022 at 22:24
by: Keras
‘Carl Roth’ chemicals
Folks,

I put my hands on a bottle of phosphorus pentoxide manufactured by ‘Carl Roth’.

It ...
3-3-2022 at 12:31
by: Keras
Benzaldehyde By Reduction Of Benzoic Acid
You all know that famous reaction (now also featured in one's of NileRed shorts), called in French ...
28-2-2022 at 12:55
by: Keras
Is it now illegal to buy from chemcraft?
With the Russian/European airspace being closed, don’t expect quick deliveries…
Unless folks a ...
28-2-2022 at 06:18
by: Keras
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