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Benzaldehyde not carried by Fisher or VWR???
"Hi XXXX,
The agent at Alfa Aesar said benzaldehyde 99+% is restricted and requires a
DEA licen ... |
22-9-2011 at 12:09
by: smuv |
Benzaldehyde not carried by Fisher or VWR???
@Dr. Bob: I searched the catalog number of the alfa benzaldehyde I ended up buying at fisher and vwr ... |
20-9-2011 at 23:44
by: smuv |
Benzaldehyde not carried by Fisher or VWR???
I was buying some benzaldehyde at work, I typed the cas (100-52-7) into both VWR and Fisher's websit ... |
19-9-2011 at 22:20
by: smuv |
Benzhydrol--->bromodiphenylmethane
My thoughts:
1.Don't do stochiometric proportions, should be an excess of HBr.
2.Ether is an i ... |
13-9-2011 at 21:53
by: smuv |
Lead containing Vinegar
If it is indigenous to the soil, why does red wine vinegar have the warning, but not red wine? |
12-9-2011 at 12:33
by: smuv |
Lead containing Vinegar
Oh I know it's bullshit. I just would like to know the origin of the lead, especially in a distilled ... |
11-9-2011 at 22:15
by: smuv |
Ethanol?
CaCl2 cannot be used to dry ethanol...it simply dissolves in it...and for alcohols it is insoluble i ... |
11-9-2011 at 19:50
by: smuv |
Lead containing Vinegar
At the grocery store today...
[img]http://www.sciencemadness.org/scipics/smuv/pics/vinegar.jpg[/i ... |
11-9-2011 at 19:43
by: smuv |
Good physics forums.
Just google it man.
http://www.physicsforums.com/ has come up when googling physics questions in ... |
10-9-2011 at 23:18
by: smuv |
dry vacuum column chromatography
[quote]It must have been more than a year since I did my last classical flash column.[/quote]
Now ... |
5-9-2011 at 11:29
by: smuv |
dry vacuum column chromatography
@ziqquratu if you ran that seperation in a column of the same diamater as your frit funnel, with the ... |
4-9-2011 at 20:28
by: smuv |
Worst fears when you're gone from the lab
Endimion17 + White Yeti: I mostly agree with what you are saying, but all it takes is someone report ... |
4-9-2011 at 19:47
by: smuv |
dry vacuum column chromatography
use it all the time; use the same silica you use for a column; I don't understand what you are sayin ... |
4-9-2011 at 10:14
by: smuv |
Vacuum pump question
If you are at all mechanically inclined, go for a refrigerator compressor; use the search engine. A ... |
3-9-2011 at 21:40
by: smuv |
Protect a thermocouple?
You can buy probes similar to what magpie mentioned from ebay for < half as much. Of course, the ... |
3-9-2011 at 19:02
by: smuv |
Vacuum pump question
bro, that pump is for liquids...
|
3-9-2011 at 13:21
by: smuv |
Worst fears when you're gone from the lab
1) cops 2) fire 3) people I don't want to know finding out about the lab (related to 1).
It does ... |
3-9-2011 at 13:18
by: smuv |
Mercury vapor under UV light...
very interesting wizard. |
20-8-2011 at 18:05
by: smuv |
Toluene --> Sodium Tosylate --> p-cresol
[quote]recrystallisation by gassing a concentrated aq. solution of TsOH with HCl is just plain nasty ... |
20-8-2011 at 12:13
by: smuv |
diol to oxo conversion
1,1-cyclopentanediol...so the hydrate of cyclophentanone? typo?
Late edit: cyclopentanone not c ... |
19-8-2011 at 20:15
by: smuv |
Very exothermic rxn: bromine & pyridine
you brominated it, alpha to the nitrogen. The 2 position is quite activated. |
19-8-2011 at 20:10
by: smuv |
Toluene --> Sodium Tosylate --> p-cresol
@ Bfesser: Modern aromatics don't likely contain thiophene . This was brought up in another thread ... |
19-8-2011 at 20:06
by: smuv |
Solvent Pot Problems
Add more sodium, if that doesn't work add more benzophenone. It shouldn't take you more than a coup ... |
12-8-2011 at 00:11
by: smuv |
n-amylbenzene Preparation
You could make valerophenone, via dry distillation of valeric acid/benzoic acid salts (similar to ma ... |
12-8-2011 at 00:01
by: smuv |
The short questions thread (3)
Generally it is considered a moderately deactivating meta director. I cannot read the patent you po ... |
4-8-2011 at 19:33
by: smuv |
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