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Is 1-Hydroxyethyl-4,5-Diamino Pyrazole Sulfate vegan?

1-Hydroxyethyl-4,5-Diamino Pyrazole Sulfate

Vegan

This is a synthetic pyrazole diamine compound used as an oxidative hair dye intermediate, typically supplied as the sulfate salt.

Also known as 1-Hydroxyethyl-4,5- Diamino Pyrazole Sulfate, 4,5-Diamino-1-(2-hydroxyethyl)-1H-pyrazole
INCI name 1-Hydroxyethyl-4,5-Diamino Pyrazole Sulfate
CAS number 155601-30-2
EC number 429-300-3
CosIng ID 91094
Last reviewed 9 July 2026

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