Chemical Product Library / Reference

Trisodium phosphate

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Trisodium phosphate

Chemical identity

English nameTrisodium phosphate
English synonymsTSP;Trisodium phosphate;Sodium phosphate tribasic
Chinese name磷酸三钠
Chinese synonymsTSP;磷酸三钠;无水磷酸三钠
Chemical categoryFood Acids & Regulators
CAS No.7601-54-9
EINECS No.231-509-8
Molecular formulaNa3PO4
Molecular weight163.94
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Na3PO4 content ≥98.0%; P2O5 content ≥42.0%; water-insoluble matter ≤0.1%; moisture ≤0.5%

Performance characteristics

White crystalline powder, highly soluble in water, strongly alkaline

Application scenarios

Food buffer and emulsifying salt, water treatment, metal cleaning, detergent builder, textile