Chemical formula: K2HPO4.3H2O Molecular weight: 228.23 Standard executed: Q/70894764 03-1998 CAS No.: 16788-57-1 H.S. Code: 28352400 Properties: 1. Appearance: white or colorless crystals or powder; 2. Easy to absorb moisture; 3. Solubility: easy to dissolve in water and slightly dissolve in alcohol; 4. Its water solution is slightly alkaline; 5. The relative density of anhydrous crystals is 2.338; 6. Dehydration of molecular is at 204 degree centigrade.
Technical Specification: 1.Industrial grade: (1)Main content: 98.0% min. (2)P2O5: 30.50% min. (3)K2O: 39.5% min. (4)pH of 1% water solution: 8.8-9.2 (5)Water insoluble: 0.10% max. (6)Moisture: 3.0% max. 2.Food grade: (1)Main content: 98.0% min. (2)P2O5: 30.50% min. (3)K2O: 39.5% min. (4)pH of 1% water solution: 8.8-9.2 (5)Water insoluble: 0.10% max. (6)Arsenic, as As: 0.0003% max. (7)Fluoride, as F: 0.003% max. (8)Heavy metal, as Pb: 0.001% max. (9)Moisture: 3.0% max.
Application: High effective fertilizer, nutrient agent, fermenting agent, etc.