HNO3
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TNT and nitric acid
Due to someunfortunate circumstances, I can only make red or white fuming nitric
acid. What I was wondering is, to substitute 99% acid in for 70% acid, all you have to due is use the proper mount less, correct? I don't want to have
to dilute my acid.
\"In the beginning, God...\" Wait a minute, God doesn\'t exist!!!!!!!!!! \"OK, in the beginning, ummm, hydrogen...\" Wait a minute, what about the
laws of thermodynamics? \"OK, in the beginning, ummm.....UMMMMM, what\'s left to choose from?
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Marvin
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You haven't said which method you plan to use.
Assuming a 3 stage method I would not like to comment for the mononitration. I would dilute, or find a way to add the nitric much more slowly so its
concentration in the nitrating mixture is much lower. This could easily runaway.
For the second and third stage you can recalculate an az nitric/oleum process for WFN and ordinary sulphuric. The result after cooling of the mixed
acid will be identical.
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HNO3
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Yes, I was planning on the three step method. Thank you.
\"In the beginning, God...\" Wait a minute, God doesn\'t exist!!!!!!!!!! \"OK, in the beginning, ummm, hydrogen...\" Wait a minute, what about the
laws of thermodynamics? \"OK, in the beginning, ummm.....UMMMMM, what\'s left to choose from?
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Madandcrazy
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Interested threat for the nitration problems with different
structures.
Eventually interested for a nitration of 1-Methy-4-hydroxybenzene with
the -ONO2 structure and the full nitration of the benzen ring with
-CH=CH- double binding to -CNO2=CNO2- .
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PHILOU Zrealone
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In other words:
you go from p(ara)-cresol (1-hydroxy-,4-methylbenzene of p-hydroxytoluene) to dinitro p-cresol (1 hydroxy-4-methyl-2,6 dinitrobenzene) and finally to
tetranitro p-cresol.
PH Z (PHILOU Zrealone)
"Physic is all what never works; Chemistry is all what stinks and explodes!"-"Life that deadly disease, sexually transmitted."(W.Allen)
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Madandcrazy
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I mean interestingly enough, how nitrated the -OH group in the benzen ring to -ONO2 ?
Maybe you start from tetranitro-p-hydroxytoluene or of the
nitration of 4-methyl-chloropicrin to 4-methyl-tetranitrochloropicrin and the -ONO2 group is subtituted 
with the -Cl atom.
I suppose, interested to this is when i will start with 1-hydroymethy-4-methylbenzene. How can i get 1-hydroymethy-4-methylbenzene, eventually the
hydroymethyl group (-CH2OH) is procreated with chloromethanol ?
[Edited on 17-3-2006 by Madandcrazy]
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12AX7
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Er, hydroxymethylene? (HO-CH2-)
Long as I'm posting, that's an interesting point- can aromatic OH's even be nitrated? I haven't heard casual mention of it, and with picric acid and
whatnot, it must not be a very attractive site either... Seems to me some N2O5 could do it, if nothing else?
Tim
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Fulmen
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And if I'm not mistaken the spent acid from stage 2&3 can be reused for stage 2&1, so ideally you should only have to dilute the nitric acid
for your first 1. stage.
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PHILOU Zrealone
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Phenolnitrate must behave like benzo nitramide...and rearrange quite fast to stabler molecules related like nitroaniline or nitrophenols...
The only way to keep the NO2 on the phenol is that the freeH on the ring are no more available...maybe with something like pentaiodophénol...but here
I guess somme of the I will be displaced or oxydised...after all phenol nitrate is the anhydride of a mixed acid...
C6H5-O-NO2 --> C6H5-O(-) + NO2(+).
And so the NO2(+) is very labile and oxydant!
[Edited on 20-3-2006 by PHILOU Zrealone]
PH Z (PHILOU Zrealone)
"Physic is all what never works; Chemistry is all what stinks and explodes!"-"Life that deadly disease, sexually transmitted."(W.Allen)
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