Basic Yellow 57

Basic Yellow 57

AKA “Basic Yellow 13, 5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-N, N-trimethylanilinium chloride, n-trimethylanilinium chloride, RefChem:488488, trimethyl-[3-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]phenyl]azanium;chloride, Basic Yellow 19, Benzenaminium”

Synthetic

Ingredient Facts

Basic yellow 57

AKA: Basic Yellow 13, 5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-N, N-trimethylanilinium chloride, N-trimethylanilinium chloride, RefChem:488488, Trimethyl-[3-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]phenyl]azanium;chloride, Basic Yellow 19, Benzenaminium

Synthetic · Hair Dyeing · EWG: 4

Synthetic

Clean

A synthetic yellow colorant used to create vibrant, long-lasting hair color. Delivers rich, consistent tones in professional hair dye formulations.

Formula

C19H22ClN5O

Mol. Weight

371.90

CAS #

68391-31-1

See origin →

Functions

Hair Dyeing

Colors Hair

Traditional Use

A synthetic dye developed in the mid-20th century for cosmetic colorization. Part of the basic dye family designed to replace natural yellow pigments with more stable alternatives.