AKA: CI 12251, JAROCOL SIENNA BROWN, ARIANOR SIENNA BROWN 306001, 8-(2-(4-amino-3-nitrophenyl)diazenyl)-7-hydroxy-N, Chloride (1:1), RefChem:405408, 8-((4-amino-3-nitrophenyl)azo)-7-hydroxy-N, Chloride
Synthetic · Hair Dyeing · EWG: 5
Synthetic
Synthetic
Clean
A synthetic colorant that delivers rich, long-lasting brown tones to hair. Works by bonding with hair strands to create vibrant, even color coverage.
Formula
C19H20ClN5O3
Mol. Weight
401.80
CAS #
68391-32-2
See origin →
Functions
Hair Dyeing
Colors Hair
Traditional Use
A synthetic azo dye developed in the 20th century for coloring cosmetics and textiles. Part of the 'Basic' dye family created to replace natural colorants with more stable, consistent synthetic alternatives.