5255. Janus Green B

Nomenclature

CAS number: 2869-83-2
3-(Diethylamino)-7-[[4-(dimethylamino)phenyl]azo]-5-phenylphenazinium chloride; C.I. 11050.
C30H31ClN6; mol wt 511.06.
C 70.50%, H 6.11%, Cl 6.94%, N 16.44%.

Description and references

Prepd by diazotizing 3-amino-7-(diethylamino)-5-phenylphenazinium chloride (N,N-diethylphenosafranine) and coupling resulting diazo compd with N,N-dimethylaniline: Colour Index vol. 4 (3rd ed., 1971) p 4015.

Chemical structure

Use

As dye for cotton, wool; as biological stain; in electrodeposition of copper, Brown, Fellows, US 2882209 (1959 to Udylite Res. Corp.).