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Azeotropic esterifications
Thanks Pumukli, interestingly I am currently trying to azeotropically dry 350ml of bought 95% ethano ...
25-11-2019 at 07:21
by: Boffis
Azeotropic esterifications
Well I distilled the diethyl oxalate and got 38.09g boiling between 183-185 C which is about 55% so ...
25-11-2019 at 05:03
by: Boffis
Diethylamine hydrochloride - Success!
Without knowning what the other 75% of the original preparation was its hard to say what you have ma ...
25-11-2019 at 04:16
by: Boffis
Diethylamine hydrochloride - Success!
I echo Pumukli's comments and likewise do not wish to be seen as harsh but from the limited amount o ...
24-11-2019 at 10:02
by: Boffis
How to synthesise Sulfosalicylic acid
Hi vibbzlab here it is:

https://archive.org/search.php?query=organic%20analytical%20reagents%20we ...
24-11-2019 at 08:51
by: Boffis
Azeotropic esterifications
Thanks Pumukli, I am just doing the work-up on the benzoate batch. I first distilled off 150ml of th ...
24-11-2019 at 07:38
by: Boffis
How to synthesise Sulfosalicylic acid
@vibbzlab; Some time ago I posted links to the 4 volumes of Welcher "Organic analytical reagent". In ...
24-11-2019 at 05:57
by: Boffis
Azeotropic esterifications
Having examined Pumukli's desription of his experiment into the production of ethyl benzoate by the ...
24-11-2019 at 05:06
by: Boffis
Diethylamine hydrochloride - Success!
I don't understand your description of your method but are you sure you have got the diethylamine hy ...
24-11-2019 at 03:58
by: Boffis
Ethyl benzoate synthesis
Hi UC235, no I simply used the benzene azeotropic method for dehydrating 95% ethanol and added some ...
23-11-2019 at 09:04
by: Boffis
diethylamine hydrochloride synthesis question.
I have a bottle of diethylamine from Reynold and Branson Ltd of Leeds and they haven't been in busin ...
23-11-2019 at 04:29
by: Boffis
Ethyl benzoate synthesis
Well, this morning the flasked had cooled and to my amazement only a tiny amount of unreacted oxalic ...
23-11-2019 at 04:24
by: Boffis
Ethyl benzoate synthesis
OK Pumukli, experiment under way! 60 oxalic acid dihydrate, 100ml 95% ethanol and 30ml benzene.

W ...
22-11-2019 at 07:44
by: Boffis
Ethyl benzoate synthesis
Hi Pumukli, Looking at your azeotropic esterification method I was wondering if you could use benzen ...
22-11-2019 at 04:26
by: Boffis
Dehydrogenation of Diels Alder addition products
Hi Pumukli, yes its surprising that there is not a single thread on SM dedicated to sorbates or sorb ...
20-11-2019 at 13:28
by: Boffis
Dehydrogenation of Diels Alder addition products
While looking into the chemistry of potassium sorbate I came across some paper that describe the Die ...
20-11-2019 at 11:30
by: Boffis
diethylamine hydrochloride synthesis question.
Hi chemist1243, as Pumukli says have a look at my recent posting on the diethylamine synthesis threa ...
19-11-2019 at 15:14
by: Boffis
Diethylamine Hydrochloride Synthesis
[rquote=626353&tid=24131&author=Pumukli]Does it mean that the DEET you used did contain some ...
17-11-2019 at 13:58
by: Boffis
Diethylamine Hydrochloride Synthesis
I finally got round to distilling the free diethylamine from my hydrochloride. The distillation was ...
17-11-2019 at 05:11
by: Boffis
OTC pyrazole synthesis
@ Nitrogenes, did you ever get any further with your pyrazole project?

I have found an interestin ...
14-11-2019 at 02:16
by: Boffis
Synthesis of Boron subphthalocyanine chloride (with pictures!)
Nice work numos and I love those colours!

A couple of question I have, 1) why is BCl3 used in equ ...
11-11-2019 at 08:36
by: Boffis
Suggestions for experiments with Dimethyl glyoxime
Dehydration and cyclitisation with NaOH solution yields dimethylfurazan. This can be oxidized to the ...
8-11-2019 at 07:53
by: Boffis
Preparation of cinnamalacetone
@UC235, its interesting that in the Ozone lab prep they acidify the reaction medium after completion ...
29-10-2019 at 13:14
by: Boffis
Preparation of cinnamalacetone
Another question! In the link posted by UC235 above the description gives an amount of NaOH to be us ...
28-10-2019 at 08:11
by: Boffis
Synthesis of a Highly Fluorescent Boron subporphyrazine
Hi Nimos, Keep us posted on how you get on I have lots of o-cyanobenzene too!
28-10-2019 at 04:46
by: Boffis
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