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Is 1-Hydroxyethyl-4,5-Diaminopyrazole Sulfate vegetarian?

1-Hydroxyethyl-4,5-Diaminopyrazole Sulfate

Vegetarian Vegetarian
Vegan Vegan

1-Hydroxyethyl-4,5-diaminopyrazole sulfate is a synthetic pyrazole derivative used as an oxidative hair dye precursor. It is manufactured entirely through chemical synthesis.

Also known as 1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate, 1H-Pyrazole-1-Ethanol, 4,5 diamino-, sulfate
INCI name 1-Hydroxyethyl-4,5-Diaminopyrazole Sulfate
CAS number 155601-30-2
EC number 429-300-3
CosIng ID 54177
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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