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o-toluidine from o-nitrotoluene
I have prepared o-toluidine with 22.7g of o-nitrotoluene using Vogel’s (3rd ed) “Method A” for ... |
30-3-2014 at 18:33
by: Magpie |
Drying IPA - easiest method
[rquote=324959&tid=13680&author=vmelkon]
What reaction takes place to produce H2?
Perhaps ... |
29-3-2014 at 17:10
by: Magpie |
Drying IPA - easiest method
[rquote=324894&tid=13680&author=blogfast25]...
I'm not speaking from experience here but I ... |
29-3-2014 at 13:58
by: Magpie |
Drying IPA - easiest method
Here's a couple methods that were recommended in my 1960s organic lab manual for ethanol. I don't s ... |
28-3-2014 at 15:34
by: Magpie |
Preparation of p-Toluidine
You are welcome.
There are two types of steam distillation. One uses injected steam like we are ... |
27-3-2014 at 17:06
by: Magpie |
Metal Bellows Vacuum Pump
I've never used or even seen a metal bellows pump. This might be fine for vacuum filtration. But t ... |
27-3-2014 at 14:19
by: Magpie |
Preparation of p-Toluidine
[rquote=324571&tid=29729&author=organicchemist25]I have a huge, new pressure cooker for gene ... |
27-3-2014 at 10:20
by: Magpie |
Preparation of p-Toluidine
I have prepared p-toluidine with 12.2g of p-nitrotoluene using Vogel’s (3rd ed) “Method A” for ... |
26-3-2014 at 13:19
by: Magpie |
Getting lead metal from fishing weights
It gets even better: my Walmart sells tin fishing weights. |
24-3-2014 at 10:45
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-)
[rquote=324012&tid=29111&author=Waffles SS]
How you provide 1mmhg(do you use diaphragm vacu ... |
24-3-2014 at 07:49
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-)
[rquote=323895&tid=29111&author=smaerd]Fantastic job. What kind of vacuum fractionating colu ... |
23-3-2014 at 11:56
by: Magpie |
Tetrahydrofuran Azeotrope?
This may be of use:
http://www.sciencemadness.org/talk/viewthread.php?tid=3173#pid61413 |
5-3-2014 at 19:01
by: Magpie |
Chemical engineering
I am a retired Ch. E. The job can vary widely as it may be the most versatile of science based majo ... |
4-3-2014 at 12:00
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-)
Thank you AvBaeyer and welcome to the forum. |
26-2-2014 at 10:05
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-)
Thanks. I think the reason we haven't seen any posts on isolation of the o- isomer is that the bp di ... |
25-2-2014 at 14:11
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-)
You are correct! I inadvertantly used 50% too much nitric acid! This is likely the reason I observe ... |
23-2-2014 at 08:58
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-)
[rquote=320235&tid=29111&author=S.C. Wack]Systematic Organic Chemistry uses an equal weight ... |
22-2-2014 at 21:04
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-) (continued)
[b]This is a continuation of the above post.[/b]
[file]30037[/file]
[i]Bennert manometer[/i]
... |
22-2-2014 at 18:58
by: Magpie |
Preparation of Mononitrotoluenes (o-, p-)
February 22, 2014
This procedure takes ideas from many sources but is principally an adaption of ... |
22-2-2014 at 17:45
by: Magpie |
Nitration Toluene - Colorless crystals
Here's another picture of p-nitrotoluene from versuchschemie.de by Ameisensulfat. Unfortunately it ... |
20-2-2014 at 09:20
by: Magpie |
Nitration Toluene - Colorless crystals
Shown below is a picture of 6.7g of p-nitrotoluene that I synthesized yesterday. Its mp is 51-52°C ... |
19-2-2014 at 21:27
by: Magpie |
OTC H2SO4 and NaOH are gone...
Needing some toluene I visited Ace, my usual source for OTC chemicals. They had it but only in a 1 ... |
13-2-2014 at 16:50
by: Magpie |
compressed Nitrogen
http://www.sciencemadness.org/talk/viewthread.php?tid=18034#pid227926
http://www.sciencemadness.o ... |
13-2-2014 at 16:40
by: Magpie |
Nitration Toluene - Colorless crystals
Hi Wolf-Aalude,
I have an interest in making o, p-nitrotoluenes also so have been searching for a ... |
12-2-2014 at 13:19
by: Magpie |
Organometallic Chemistry
[rquote=317647&tid=28801&author=DraconicAcid][rquote=317641&tid=28801&author=Random] ... |
2-2-2014 at 20:51
by: Magpie |
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