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CAS 1703-58-8 — 1,2,3,4-Butanetetracarboxylic acid

1,2,3,4-Butanetetracarboxylic acid (BTCA) is a polycarboxylic acid used primarily as a cross-linking agent in textile treatments, paper sizing, and polymer synthesis for improved durability and water resistance. It is a white crystalline solid with a high affinity for cellulose-based materials, enabling efficient chemical modification without harsh conditions. CAS 1703-58-8, molecular formula C8H10O8, molecular weight 234.1602. Stable at ambient storage with no signal word classification. Molekula supplies 1,2,3,4-Butanetetracarboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.