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Desperately seeking method for ethyl bromide.
I suggest to you to look in the Rhodium site under "Nitroalkane FAQ" or something like that.

Easy ...
1-1-2011 at 21:23
by: xwinorb
N-methyl isopropylamine synthesis
Both methyl isopropylamine and diisopropylamine are used in the synthesis of 4 and 5 substituted try ...
28-12-2010 at 14:16
by: xwinorb
N-methyl isopropylamine synthesis
I have just looked more carefully at the synthesis of this substance, and I have some concerns. The ...
27-12-2010 at 15:55
by: xwinorb
extraction an re-X without distillation suficcent?
I have tried the Ritter reaction for this particular synthesis, it does not work. If you look into s ...
23-12-2010 at 15:50
by: xwinorb
Hexamine from Esbit tablets
I have once looked at the tablets composition information from Esbit, I think they say it is only he ...
19-11-2010 at 21:33
by: xwinorb
Hexamine from Esbit tablets
I would like to know if hexamine from Esbit tablets would be OK to use in a sulfuric modified Duff f ...
17-11-2010 at 18:23
by: xwinorb
Titration Vs Density
My suggestion :

Try peroxide test strips. I am not an expert on the subject, I think titration is ...
14-8-2010 at 05:48
by: xwinorb
SpiceBoy method
I can't help you with the other method, IPA + I2 + H2O2. I never tried it. I have seen several posts ...
30-7-2010 at 14:44
by: xwinorb
p-benzoquinone HELP!!!
The SpiceBoy recipe is easy. It will not become yellow.

Yes, you can't dissolve the potassium dic ...
28-7-2010 at 19:21
by: xwinorb
Tryptamine refusing to crystallize
More exactly, the partial pressure of tetralin at 38 C is 1 mm Hg.
19-7-2010 at 15:53
by: xwinorb
Partial pressure of tetralin
I found a PDF document that lists the partial pressure of tetralin at 1 mm Hg as 38 C. So, turd, loo ...
17-7-2010 at 17:29
by: xwinorb
Tryptamine refusing to crystallize
I would suggest to do an A/B extraction instead of distilling out the tetralin.


Suggested proce ...
13-7-2010 at 19:17
by: xwinorb
Vacuum aspirator connection
Since you have mentioned the high powered aspirator setup :

Do you know how much the increase in ...
9-5-2010 at 14:04
by: xwinorb
Vacuum aspirator connection
I found a Web site that sells one interface from 3/4 in hose to 3/8 in, vacuum aspirator.

The nam ...
9-5-2010 at 09:55
by: xwinorb
Capsuline
I decided not to try to exchange it, I called my credit card company and asked them to cancel my pur ...
6-4-2010 at 19:01
by: xwinorb
Capsuline
Is this company a scam ?

I ordered online a small plastic "gadget" they sell, they asked me for a ...
6-4-2010 at 13:51
by: xwinorb
Zinc reduction for 2C-H from nitrostyrene
I have never tried it. The yield is quite high already anyway.

My best 75 %, my worse 55 %.

Th ...
2-4-2010 at 14:18
by: xwinorb
Pump not working correctly?
I don't think ballasts are an effective way of outgassing water, solvents and other impurities in yo ...
29-3-2010 at 15:54
by: xwinorb
Pump not working correctly?
Two links on vacuum gauges :

http://www.gaugestore.com/

http://www.tcvacuum.com/

I have the ...
24-3-2010 at 11:40
by: xwinorb
Pump not working correctly?
Forgot, also do not use BP of water to measure your vacuum pump vacuum. It is OK to use it for aspir ...
23-3-2010 at 12:59
by: xwinorb
Pump not working correctly?
I assume you have a rotary vane pump, looks like.

I strongly suggest to you to get a good electro ...
23-3-2010 at 11:44
by: xwinorb
toluquinone reduction
To Steve :

I think probably not worth doing it. Your benzoquinone is must probably OK to use. Unl ...
17-3-2010 at 07:19
by: xwinorb
hydroquinone and NaOH
I think I understand it better now.

Yes, the reference I have seen ( not read as carefully as I s ...
16-3-2010 at 16:08
by: xwinorb
hydroquinone and NaOH
I think I have found out. Looks like hydroquinone is oxidized by O2 and that happens faster under ba ...
15-3-2010 at 20:57
by: xwinorb
hydroquinone and NaOH
Does hydroquinone reacts directly with NaOH ? If so, what is the reaction product ?

I think it mi ...
15-3-2010 at 20:28
by: xwinorb
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