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Is 2,5,6-Triamino-4-pyrimidinol Sulfate vegan?

2,5,6-Triamino-4-pyrimidinol Sulfate

Vegan

2,5,6-Triamino-4-pyrimidinol Sulfate is a synthetic organic compound used as an oxidative hair dye precursor in cosmetic hair colouring formulations.

Also known as 4-Hydroxy-2,5,6- triaminopyrimidine sulfate, 4-Hydroxy-2,5,6-triaminopyrimidine sulfate
INCI name 2,5,6-Triamino-4-pyrimidinol Sulfate
CAS number 1603-02-7
EC number 216-500-9
CosIng ID 54184
Last reviewed 4 July 2026

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