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You know what they say about the flagstones along the road to Hell, don't you? |
29-2-2008 at 04:58
by: Sauron |
Any feedback on trinitylabsupply.com?
I think you mean wary. Meaning, alarmed, suspicious, on your guard.
You may in addition be weary, ... |
29-2-2008 at 04:55
by: Sauron |
Acetic anhydride preparation
Good news for you, then.
If you get a quote for the drum, let me know what it is.
It's also go ... |
29-2-2008 at 04:25
by: Sauron |
Acetic anhydride preparation
Ullmann's on SiCl4 is interesting. Anyone contemplating running this prep should have a look.
To ... |
28-2-2008 at 04:56
by: Sauron |
Acetic anhydride preparation
For silicon tetraacetate, the Brauer pages start at 701 and the original reference is to Inorg.Syn. ... |
27-2-2008 at 22:50
by: Sauron |
Acetic anhydride preparation
I don't get excited about making something that only costs ten cents a gram, not if it is not the en ... |
27-2-2008 at 19:54
by: Sauron |
Acetic anhydride preparation
Silicon tetraacetate is, according to the first JACS paper above, the initial product o ... |
27-2-2008 at 06:30
by: Sauron |
Acetic anhydride preparation
Yes, S.C> I figured that was what you meant. As it happens SiCl4 is rather easy to purchase, and ... |
27-2-2008 at 03:43
by: Sauron |
Acetic anhydride preparation
The article was cited upthread by S.C.Wack, requested by me, and posted in References by jokull. The ... |
26-2-2008 at 21:42
by: Sauron |
Acetic anhydride preparation
count on Aldrich applying a packing surcharge, and doubtless, Hazmat charges will also be applied.
... |
26-2-2008 at 17:53
by: Sauron |
Acetic anhydride preparation
According to the JACS 1927 paper, not only can SiCl4 give 85% yield of acetyl chloride when reacted ... |
25-2-2008 at 18:10
by: Sauron |
Kitty Litter as a Source of Silica Gel?
Silica gel is available from many non-chemical suppliers and in many grades, mesh sizes, etc. for a ... |
25-2-2008 at 10:28
by: Sauron |
Acetic anhydride preparation
AsCl3 is very very restricted becausew of its application to the preparation of the Lewisite family ... |
24-2-2008 at 23:45
by: Sauron |
Department of Homeland Security proposing anti-terror regs worse than anything DEA ever dreamt about...
The raison d'etre for the TSA is not to make the flying public secure but to make the flying public ... |
24-2-2008 at 19:19
by: Sauron |
Unknown Reference Book
Thanks, S.C. |
24-2-2008 at 12:04
by: Sauron |
starch Problem!
Another name for cassava is tapioca.
Used here for making (bad) Thai whiskey. |
24-2-2008 at 04:41
by: Sauron |
Unknown Reference Book
Perhaps I should append yesterday's post by saying that in 40+ years I have never had occasion to ac ... |
24-2-2008 at 04:36
by: Sauron |
distillation indicating too high a temp
An efficient column is one with a very good exchange between the liquid and vapor phases, and the me ... |
23-2-2008 at 20:50
by: Sauron |
rotary vacuum distiller
The bath alone, I have paid more for than that.
The Buchi benchtop unit I still use is also a R-1 ... |
23-2-2008 at 09:31
by: Sauron |
Phenylpropanones (P2P) from anilines
That highly electronegative trifluoromethyl group in the 3-position...what are the implications for ... |
23-2-2008 at 09:22
by: Sauron |
Unknown Reference Book
That abbreviation is for the German equivalent of the (U.S.) Chemical Abstracts. I don't mean a tran ... |
23-2-2008 at 08:43
by: Sauron |
Preparation of piperidine from pyridine?
Everything I read about extraction of piperine from such sources, indicated that while piperine isol ... |
23-2-2008 at 08:23
by: Sauron |
distillation indicating too high a temp
Too high a boilup rate could also be a villain here, in conjunction with some or all of other factor ... |
23-2-2008 at 06:19
by: Sauron |
Preparation of piperidine from pyridine?
The drug enforcers will argue back that PCP has disappeared because of their interdiction of diversi ... |
23-2-2008 at 00:26
by: Sauron |
distillation indicating too high a temp
So, you have no doubt that the product is propionyl chloride, but you are bothered by the low appara ... |
23-2-2008 at 00:21
by: Sauron |
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