1. Chemical Name: Tripotassium Phosphate
2. Molecular Formula: K3PO4· nH2O
3. Molecular Weight: Anhydrous: 212.27
4. CAS: 7778-53-2
5. Character: It’s white crystal or granule, odorless, hygroscopic. Relative density is 2.564.
6. Usage: In food industry, it is used as buffering agent, chelating agent, yeast food, emulsifying salt, and synergistic agent of anti-oxidation.
7. Packing: It is packed with polyethylene bag as 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.
| 质量指标 | Specification | GB 1886.327-2021 | FCC VII | ||
| 含量（K3PO4 ，灼烧干基），w/% ≥ | Content(K3PO4 , Ignited basis),w/%≥ | 97.0 | 97.0 | ||
| 砷（As），mg/kg ≤ | Arsenic(As),mg/kg ≤ | 3.0 | 3.0 | ||
| 氟化物（以F计），mg/kg ≤ | Fluoride(as F),mg/kg ≤ | 10.0 | 10.0 | ||
| pH值（10g/L溶液） | pH value (10g/L Solution ) | 11.5-12.5 | ———— | ||
| 重金属（以Pb计），mg/kg ≤ | Heavy metal(as Pb),mg/kg ≤ | 10 | ———— | ||
| 水不溶物，w/% ≤ | Insoluble substances,w/% ≤ | 0.2 | 0.2 | ||
| 铅（Pb），mg/kg ≤ | Lead(Pb),mg/kg ≤ | 2.0 | 2.0 | ||
| 灼烧减量，w/% | K3PO4 ≤ | Loss on ignition, w/% | K3PO4 ≤ | 5.0 | 5.0 |
| K3PO4 · nH2O | K3PO4 · nH2O | 8.0-20.0 | 8.0-20.0 | ||
