High purity 2,4-dinitrotoluene from toluene nitration process

Details High purity 2,4-dinitrotoluene from toluene nitration process High purity 2,4-dinitrotoluene from toluene nitration process

1981-06-01

1983-01-04

Sebastian, Leland A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 7910

Patent

active

043673473

ABSTRACT:
A method for preparing substantially pure 2,4-DNT isomer from its admixture with other DNT isomers which comprises contacting the isomer mixture with aqueous sulfuric acid at an elevated temperature, separating excess DNT isomer mixture from the sulfuric acid phase and cooling the sulfuric acid phase. Also, in a method for producing dinitrotoluenes which comprises:

REFERENCES:
patent: 2362743 (1943-02-01), Crater
patent: 2765348 (1956-10-01), Baumgartner et al.
patent: 3178481 (1963-01-01), Hauze
patent: 3243466 (1966-03-01), Brogden et al.
patent: 3708546 (1973-01-01), Coon et al.
patent: 3799993 (1974-03-01), Hill et al.
patent: 3931347 (1976-01-01), Rosenblatt et al.

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