Extraction of phenylenediamine from aqueous alkaline solution

Details Extraction of phenylenediamine from aqueous alkaline solution Extraction of phenylenediamine from aqueous alkaline solution

1978-03-08

1980-03-18

Doll, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260705, C07C 8526

Patent

active

041939387

ABSTRACT:
Phenylenediamine is obtained in high yield and in high purity from an aqueous alkaline solution of phenylenediamine by liquid-liquid extraction of said solution with a C.sub.1 chlorinated solvent.

REFERENCES:
patent: 2385504 (1945-09-01), Goulding
patent: 3433788 (1969-03-01), Somekh et al.
patent: 3686314 (1972-08-01), Bacha et al.
Quick, "J. Am. Chem. Soc.", vol. 20, pp. 1033-1042 (1920).

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