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Preparation of p-dibromobenzene from bromobenzene and bromine
Well, carbon disulphide is totally apolar of course, so is carbon tetrachloride but there are both v ... |
14-4-2026 at 00:38
by: Keras |
Preparation of p-dibromobenzene from bromobenzene and bromine
Apparently you can use DCM for Friedels-Craft reactions. Chloroform can be acted upon by aluminium c ... |
13-4-2026 at 22:42
by: Keras |
The Impossible search for sulfuric acid in the uk
MSA (MethaneSulphonicAcid) is a good (and ‘greener’) alternative to sulphuric acid, is not subje ... |
13-4-2026 at 04:49
by: Keras |
Silver plating mixtures
[rquote=706022&tid=161566&author=Sulaiman]because silver is a slightly better conductor than ... |
23-3-2026 at 04:55
by: Keras |
Nitrotoluene / Toluidine
Ok thanks! Apparently the red colour that appears during the nitration reaction and persists, especi ... |
23-3-2026 at 03:10
by: Keras |
Silver plating mixtures
Folks,
I've been trying recently to find out how one can silver plate copper things without using ... |
23-3-2026 at 01:27
by: Keras |
Nitrotoluene / Toluidine
Folks,
While I've (temporarily) turned my attention to silver plating (another thread), I’m sti ... |
23-3-2026 at 00:52
by: Keras |
Methanesulfonic acid for nitration mixtures
[rquote=705700&tid=161497&author=clearly_not_atara]In order to protonate nitric acid (-> ... |
23-3-2026 at 00:28
by: Keras |
Na in NaOH? Viable way?
You can make K from KOH using Mg and tert-butanol in a way that NurdRage demonstrated in one of his ... |
10-2-2026 at 02:54
by: Keras |
Methanesulfonic acid for nitration mixtures
[rquote=705526&tid=161497&author=Metacelsus]Green is from N2O3.[/rquote]
I thought this w ... |
1-2-2026 at 01:25
by: Keras |
Methanesulfonic acid for nitration mixtures
So I did mix methanesulphonic acid with potassium nitrate, heated and distilled the resulting produc ... |
30-1-2026 at 13:01
by: Keras |
Methanesulfonic acid for nitration mixtures
Thanks to both of you for your input.
I suspect you’re both right: the pKa difference is not bi ... |
22-1-2026 at 01:26
by: Keras |
Methanesulfonic acid for nitration mixtures
[rquote=705390&tid=161497&author=bnull]Did you use an excess of potassium nitrate?[/rquote]
... |
19-1-2026 at 22:37
by: Keras |
Methanesulfonic acid for nitration mixtures
I redissolved potassium nitrate into methanesulphonic acid and let the mix heat up to 50/60 °C and ... |
19-1-2026 at 06:41
by: Keras |
Methanesulfonic acid for nitration mixtures
Folks,
I’m attempting to nitrate toluene using a mixture of 70% methanesulphonic acid and potassi ... |
18-1-2026 at 08:39
by: Keras |
Glassware For Sale from previous Organic Chemistry/Biotechnology laboratory (!) Updates progressively
Some 14/23 items might interest me. Especially the 50 mL RBF and some other stuff. |
11-1-2026 at 05:43
by: Keras |
Binaphthyl and perylene
Thanks a lot of all this material. I’ll try and make good use of it.
I might end up buying some s ... |
9-1-2026 at 00:42
by: Keras |
Binaphthyl and perylene
Thanks a lot! I’m pretty limited when it comes to book searching.
Of course, I could also simply ... |
6-1-2026 at 23:09
by: Keras |
Binaphthyl and perylene
Well, I also found this article but it is uses a lot of weird reactants: LiAH, diazomethane, benzyl ... |
5-1-2026 at 08:06
by: Keras |
Binaphthyl and perylene
That’s a good idea, yes. I tend (probably like others) to take Wikipedia™ as gospel.
In any ... |
5-1-2026 at 03:07
by: Keras |
Binaphthyl and perylene
Thanks for the pointer! As usual, you’re such a reliable adviser! 
The Wikipedia™ page for ... |
4-1-2026 at 23:14
by: Keras |
Binaphthyl and perylene
Folks,
I know several (old) threads have been dedicated to the synthesis of perylene, but none of ... |
4-1-2026 at 00:05
by: Keras |
Issues Loading the SM Website
It seems to be better since a couple of days. Might be the server which ran out of VM? |
22-11-2025 at 11:33
by: Keras |
Sensitizing Nitrogen Triiodide
[rquote=704183&tid=161394&author=Radiums Lab]So are we getting NaNO2? That's intresting for ... |
22-11-2025 at 02:35
by: Keras |
nitration of xylene using HNO3/DCM mixture
Wow this is old, but thinking back about it I wonder.
Nitration under mild conditions (~20 °C) o ... |
7-11-2025 at 23:42
by: Keras |
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