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Chemistry of Terephthalic acid
I have recently returned to the issue of terephthalic acid from PET and have discovered that my tere ...
12-10-2019 at 11:16
by: Boffis
Diethylamine Hydrochloride Synthesis
Hi Fusso, I don't know yet but its OTC so worth an investigation
. Actually I did these experiment ...
7-10-2019 at 08:48
by: Boffis
Diethylamine Hydrochloride Synthesis
The recovery of crystalline white m-toluic acid by recrystallisation from boiling water was 67% of g ...
7-10-2019 at 03:13
by: Boffis
Diethylamine Hydrochloride Synthesis
I dried the diethylamine hydrochloride today in a pre-weighed bowl on a steam bath for 2 hours until ...
5-10-2019 at 12:01
by: Boffis
preparation of succinic anhydride
Nice work once again Magpie. Succinic anhydride is a useful compound.
I would be interested in th ...
5-10-2019 at 07:13
by: Boffis
Convenient route of reducing nitrate to nitrite?
In the days before you could buy it OTC in the UK I used to prepare sodium nitrite by reducing molte ...
5-10-2019 at 01:22
by: Boffis
Diethylamine Hydrochloride Synthesis
I am just working up the products from yesterday's larger scale batch and the recovery is nearly qua ...
4-10-2019 at 08:40
by: Boffis
Diethylamine Hydrochloride Synthesis
I actually did a test with 1g in 5ml of water and then added more water in 5ml batches, bringing it ...
3-10-2019 at 13:27
by: Boffis
Diethylamine Hydrochloride Synthesis
I am having some problems purifying the toluic acid. I first attempted to recrystallise it from isop ...
2-10-2019 at 13:11
by: Boffis
Diethylamine Hydrochloride Synthesis
The lime oil seems to distil off with the amine so I had to extract the hydrochloric collection liqu ...
1-10-2019 at 03:15
by: Boffis
Diethylamine Hydrochloride Synthesis
I evaporated down the acid collection liquor to recover the diethylamine hydrochloride which worked ...
30-9-2019 at 13:02
by: Boffis
Diethylamine Hydrochloride Synthesis
Tsjerk. Have you actually tried your proposed method?
My experience already is that there is too ...
30-9-2019 at 04:55
by: Boffis
Diethylamine Hydrochloride Synthesis
OK, I am now 4 hours into the KOH hydrolysis experiement and a volatile amine is slowly passing over ...
29-9-2019 at 08:07
by: Boffis
Diethylamine Hydrochloride Synthesis
Well I also did a test-tube scale test with KOH solution and enough alcohol to give a homogeneous so ...
28-9-2019 at 10:27
by: Boffis
Diethylamine Hydrochloride Synthesis
I have just tried the acid hydrolysis of DEET. I used 6.9g of crude m-toluyl-N,N-diethylamide extrac ...
28-9-2019 at 06:06
by: Boffis
Sodium pyroantimonate preparation
That's an interesting point. Is hexahydroxyantimonic acid V a stronger acid than carbonic acid? I do ...
25-9-2019 at 09:36
by: Boffis
Sodium pyroantimonate preparation
Nicely done theodor! And a good write-up too. I'll have to have a go at this procedure as I would li ...
25-9-2019 at 04:33
by: Boffis
Order a chemical, get something else
I have had many problems, particularly but not entirely with ebay suppliers. I have already reported ...
25-9-2019 at 03:58
by: Boffis
Thioacetic acid / thioacetates source
Could you react carbon disulphide with methyl magnesium iodide? This should give the dithioacetic ac ...
25-9-2019 at 03:10
by: Boffis
Formaldehyde odor
Which country are you in? Paraformaldehyde is available as a fumigant in the UK from many farm store ...
13-9-2019 at 07:12
by: Boffis
Sodium pyroantimonate preparation
Interesting preparation, I wonder if it will work from black antimony sulphide from antimony and sul ...
12-9-2019 at 00:38
by: Boffis
Path to carminic acid
Mmmm thats a pretty complex synthesis. The main problem I see is getting that disilyl substituted pe ...
12-9-2019 at 00:01
by: Boffis
Carboxylic acid to nitriles using microwave radiation
@Cactaur, I think you missed the point of my first comment. This is essentially a solvent few reacti ...
11-9-2019 at 10:47
by: Boffis
Carboxylic acid to nitriles using microwave radiation
Do I understand the paper correctly? It states that 5% PEG is required but 5% of what? It appears to ...
11-9-2019 at 08:38
by: Boffis
Preparation of N-Bromosuccinimide
@karlos. Are you going to give use a reference/details/experimental results?
9-9-2019 at 10:49
by: Boffis
[Next Page]
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Fundamentals
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» Reagents and Apparatus Acquisition
» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
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Literature and Documentation
» Sciencemadness Wiki
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