Chemical Product Library / Reference

Diammonium Phosphate

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

Molecular structure for Diammonium Phosphate

Chemical identity

English nameDiammonium Phosphate
English synonymsDiammonium phosphate;DAP;Diammonium hydrogen phosphate
Chinese name磷酸氢二铵
Chinese synonymsDAP;磷酸二铵;二铵
Chemical categoryFertilizers
CAS No.7783-28-0
EINECS No.231-987-8
Molecular formula(NH4)2HPO4
Molecular weight132.06
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

N content ≥18.0%; P2O5 content ≥46.0%; moisture ≤1.0%; water-insoluble matter ≤0.1%

Performance characteristics

White crystalline granules, soluble in water, alkaline pH

Application scenarios

Agricultural fertilizer (phosphorus and nitrogen), fire extinguishing agent, feed additive, yeast nutrient