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New chemicals for sale !
Just got an order from Mario, with another one coming. Fantastic seller - very glad he's around and ... |
8-6-2017 at 18:28
by: Stibnut |
Birch reduction - why does it reduce OH from pseudoephedrine, rather than reducing the benzene ring?
It was pretty easy to get rid of the amine smell. First I converted the ED to a salt with an acid - ... |
18-5-2017 at 22:20
by: Stibnut |
Birch reduction - why does it reduce OH from pseudoephedrine, rather than reducing the benzene ring?
I've been doing amateur chemistry for at least a year now, and none of my other posts here have anyt ... |
18-5-2017 at 16:47
by: Stibnut |
eBay chemical sellers disappearing?
I've noticed that my two favorite and most reliable eBay chemical vendors - manofohm and dwsurman - ... |
18-5-2017 at 15:23
by: Stibnut |
Birch reduction - why does it reduce OH from pseudoephedrine, rather than reducing the benzene ring?
Okay, Birch-like reduction. Birchish reduction, if you will. A method involving using a dissolving-a ... |
17-5-2017 at 00:45
by: Stibnut |
Birch reduction - why does it reduce OH from pseudoephedrine, rather than reducing the benzene ring?
First of all, this is strictly about the chemistry. I have no interest whatsoever in making meth. Ev ... |
16-5-2017 at 21:58
by: Stibnut |
LAH storage
I'm not terribly concerned; I've just never worked with it before and am not totally clear on how ea ... |
3-3-2017 at 16:42
by: Stibnut |
LAH storage
How dangerous is it if it were to be accidentally exposed to humid air, and if I stored it as an anh ... |
3-3-2017 at 02:16
by: Stibnut |
Extracting thorium daughters from Th compounds
It's not so much thorium's long half-life that matters as it is the half-lives of everything below i ... |
26-2-2017 at 13:43
by: Stibnut |
LAH storage
I've just ordered 10 g of LAH. What would be the best way to store and handle it, to avoid mishaps? ... |
26-2-2017 at 13:24
by: Stibnut |
Carbonate test for neutrons
As already mentioned, this won't work at any neutron flux you could get outside of a reactor. But it ... |
25-2-2017 at 12:26
by: Stibnut |
Extracting thorium daughters from Th compounds
I've ordered and received a gram of thorium nitrate, which is water-soluble, from United Nuclear. Iā ... |
25-2-2017 at 11:44
by: Stibnut |
Drying formic acid with molecular sieves - CO risk?
D'oh! Okay, I won't try that.
What about MgSO4? |
22-2-2017 at 15:25
by: Stibnut |
Drying formic acid with molecular sieves - CO risk?
I've got a very basic question. If I have 95% formic acid, and I want to make it anhydrous, would 4A ... |
22-2-2017 at 14:37
by: Stibnut |
Orange liquid from Grignard reaction: what is it?
[rquote=469141&tid=71246&author=DDTea][rquote=469129&tid=71246&author=Stibnut]
An ... |
14-12-2016 at 18:29
by: Stibnut |
Orange liquid from Grignard reaction: what is it?
I used a sand bath to distill it past 100 C. At first I used my hotplate, but even at max heat and w ... |
14-12-2016 at 13:16
by: Stibnut |
Orange liquid from Grignard reaction: what is it?
I don't have a heating mantle and didn't want to use an open flame to distill something flammable. I ... |
13-12-2016 at 13:37
by: Stibnut |
Orange liquid from Grignard reaction: what is it?
I got a strange result from my second attempt at a Grignard reaction. I used bromopropane and butyra ... |
13-12-2016 at 12:47
by: Stibnut |
Exotic thermites & analogs
I tried a fun experiment a couple of days ago: a thermite made of lithium and silicon dioxide. I jus ... |
4-11-2016 at 05:27
by: Stibnut |
"Large" Scale Bromoform Synthesis
Sorry, forgot to follow up - RL got in the way.
The reaction was successful at producing bromofor ... |
19-9-2016 at 19:15
by: Stibnut |
Drying ether for Grignard
I see - that does explain why people use Na rather than NaOH, even though NaOH is much cheaper and e ... |
2-9-2016 at 21:46
by: Stibnut |
"Large" Scale Bromoform Synthesis
I'm doing the same reaction today, using 3.5 L of household bleach with 8.25% NaClO (currently chill ... |
1-9-2016 at 12:37
by: Stibnut |
Drying ether for Grignard
The ether I have now is BHT-stabilized too, but it's a tiny amount: they list a minimum of 5 ppm. Do ... |
31-8-2016 at 14:54
by: Stibnut |
Drying ether for Grignard
Thanks for the advice and info, everyone! I have filled up a 100 mL reagent bottle up 1/3 of the way ... |
31-8-2016 at 11:36
by: Stibnut |
Drying ether for Grignard
I could transfer it to another container - I was just afraid I'd expose it to more atmospheric moist ... |
30-8-2016 at 10:17
by: Stibnut |
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