Alkyl amine color inhibitor

Details Alkyl amine color inhibitor Alkyl amine color inhibitor

1984-08-01

1986-07-22

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

564497, C07C 8526

Patent

active

046021086

ABSTRACT:
Color formation in aliphatic amines during storage is prevented by contacting the amines before they develop objectionable color with ethylenediamine tetraacetic acid, salts or ethylenediamine tetraacetic acid, nitrilotris acetic acid, salts of nitrilotris acetic acid, nitrilotris methylenephosphonic acid, salts of nitrilotris methylenephosphonic acid, 8-hydroxy-quinoline or mixtures of the above compounds.

REFERENCES:
patent: 2637636 (1953-06-01), Walters
patent: 3577556 (1971-06-01), Longoria

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