| Specification | GB 25561-2010 | FCC VII |
| Content(Dry Basis), w% ≥ | 98 | 98 |
| Arsenic(As), mg/Kg ≤ | 3 | 3 |
| Fluoride,mg/Kg ≤ | 10 | 10 |
| Heavy Metals (Pb), mg/Kg ≤ | 10 | ---- |
| Insoluble Substances, w% ≤ | 0.2 | 0.2 |
| Lead (Pb), mg/Kg ≤ | 2 | 2 |
| Loss on drying, w% | Anhydrous ≤ | 2.0 | 2.0 |
| Trihydrate | 20.0-30.0 | ---- |
| pH Value (10g/L) | 9.0±0.4 | ---- |
1. Chemical Name: Dipotassium Phosphate
2. Molecular Formula: K2HPO4,
3. Molecular Weight: Anhydrous: 174.18
4. CAS: Anhydrous: 7758-11-4
5. Character: It's colorless or white square crystal granule or powder, easily deliquescent, alkaline, insoluble in ethanol. pH value is about 9 in 1% aqueous solution.
6. Usage: In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, synergistic agent of anti-oxidation.
7. Packing: It is packed with a polyethylene bag as the inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8. Storage & Transportation: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.