Chemical Product Library / Reference

Sodium dihydrogen phosphate

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

Molecular structure for Sodium dihydrogen phosphate

Chemical identity

English nameSodium dihydrogen phosphate
English synonymsMSP;Sodium dihydrogen phosphate;Monosodium phosphate
Chinese name磷酸二氢钠
Chinese synonymsMSP;磷酸一钠;无水磷酸二氢钠
Chemical categoryFood Acids & Regulators
CAS No.7558-80-7
EINECS No.231-449-2
Molecular formulaNaH2PO4
Molecular weight119.98
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

NaH2PO4 content ≥98.0%; P2O5 content ≥58.0%; water-insoluble matter ≤0.1%; moisture ≤0.5%

Performance characteristics

White crystalline powder, soluble in water, acidic pH

Application scenarios

Food buffer and acidity regulator, water treatment (corrosion control), pharmaceutical excipient, fertilizer