1. Basic information
1. Chemical name: Trisodium phosphate
2. Chinese alias: Trisodium Phosphate; Trisodium Phosphate (Dodecahydrate)
3. English name: Trisodium phosphate
4. Molecular formula: Na3PO4·12H2O
5. Molecular weight: 380
6. CAS number: 7601-54-9
7. EINECS number: 231-509-8
8. Appearance: colorless to white needle-like crystals or crystalline powder
II. Technical Parameters
Testing Items
indicator
Trisodium phosphate dodecahydrate (Na₃PO₄ ·12H₂O), w/%≥
ninety-seven
PH (10g/L solution)
11.5~12.5
Arsenic (As) (mg/kg) ≤
≤30
Fluoride (calculated as F) / (mg/kg) ≤
fifty
Heavy metals (calculated as Pb) / (mg/kg) ≤
ten
Lead (Pb) (mg/kg) ≤
four
Water insoluble matter, w/% ≤
zero point two
1.4425(25℃/D)
Loss on ignition (Na₃PO₄·12H₂O), w/%
45.0~57.0
(The above parameters are reference values, and the specific details are subject to the factory inspection sheet.)
III. Packaging specifications
25kg bag