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Is Formamidine Sulfinic Acid vegan?

Formamidine Sulfinic Acid

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Formamidine Sulfinic Acid, also known as thiourea dioxide, is a synthetic organosulfur compound used as a reducing agent, notably in the textile industry for bleaching and dye-stripping.

Also known as Methanesulfinic acid, 1-amino-1-imino-, Thiourea Dioxide
INCI name Formamidine Sulfinic Acid
CAS number 1758-73-2
EC number 217-157-8
CosIng ID 89965
Last reviewed 4 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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