Method of producing 4-nitro-m-phenylenediamine sulfate

Details Method of producing 4-nitro-m-phenylenediamine sulfate Method of producing 4-nitro-m-phenylenediamine sulfate

1999-08-31

2000-12-12

Vollano, Jean F

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

Organic compounds

Amino nitrogen containing

564411, C07C20976

Patent

active

061601799

ABSTRACT:
A method of manufacture of 4-nitro-m-phenylenediamine sulfate is taught. The resultant compound is useful in the dyeing of keratinic fibers, particularly, human hair. It exhibits reduced toxicity and potential for damage to such fibers, and is easier to remove than are other known compounds.

REFERENCES:
patent: 3639358 (1972-02-01), Nichols et al.
Journal Chem Soc., London by Morgan and Wooton vol. 87 part l pp. 941, 1905.
CA:104:19407 abs of DE3339922, May 1985.

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