Diammonium Phosphate - (NH4)2HPO4

CAS No.: 7783-28-0
H.S. Code: 31053000
Properties:
1. Appearance: white granular crystal;
2. Relative density: 1.619;
3. Melting point: 155 degree centigrade;
4. Solubility: soluble in water easily, insoluble in alcohol;
5. Turn into Monoammonium Phosphate by losing ammonium gradually when exposed in the air.

Technical Specification:
1.Industrial grade:
(1)Main content: 99.0% min.
(2)P2O5: 53.0% min.
(3)Nitrogen, as N: 20.8% min.
(4)pH of 1% water solution: 7.8-8.2
(5)Water insoluble: 0.10% max.
(6)Moisture: 0.15% max.
2.Food grade:
(1)Main content: 99.0% min.
(2)P2O5: 53.0% min.
(3)Nitrogen, as N: 20.8% min.
(4)pH of 1% water solution: 7.8-8.2
(5)Water insoluble: 0.05% max.
(6)Arsenic, as As: 0.0003% max.
(7)Fluoride, as F: 0.002% max.
(8)Heavy metal, as Pb: 0.001% max.
(9)Moisture: 0.15% max.