1-Hydroxyethyl 4,5-Diamino Pyrazole Sulfate

AKA “5-Diamino-1-(2-hydroxyethyl)pyrazole sulfate, Colorex WP5, 1H-Pyrazole-1-ethanol, sulfate (1:1), UNII-04N8KX12N6, 5-diaminopyrazole sulfate, 5-Diamino-1-(2-hydroxyethyl)-1H-pyrazole sulfate”

Synthetic

Ingredient Facts

1-hydroxyethyl 4,5-diamino pyrazole sulfate

AKA: 5-Diamino-1-(2-hydroxyethyl)pyrazole sulfate, Colorex WP5, 1H-Pyrazole-1-ethanol, Sulfate (1:1), UNII-04N8KX12N6, 5-diaminopyrazole sulfate, 5-Diamino-1-(2-hydroxyethyl)-1H-pyrazole sulfate

Synthetic · Hair Dyeing · EWG: 4

Synthetic

Clean

A synthetic color-locking ingredient that helps hair dyes develop rich, long-lasting color while keeping the formula stable.

Formula

C5H12N4O5S

Mol. Weight

240.24

CAS #

155601-30-2

Form

Powder

See origin →

Functions

Hair Dyeing

Colors Hair

Traditional Use

A synthetic compound developed in the late 20th century specifically for use as a hair dye precursor. Created to provide stable, predictable color results in hair coloring products.