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HOME >> Products >> Inorganic Chemicals |
CAS No.: 7601-54-9
Molecular Formula: Na3PO4 Molecular Weight: 163.97
Molecular Structure:

White or yellow powder, soluble in water easily, but not in organic solvent, water solution is alkaline. PH of 1% water solution is12.1. Relative density is 2.537, melting point is 134.
Used as soft water agent for boiler, cleaning agent in electroplating, etc.
| Specification | Industrial grade | Food grade |
| Appearance | white powder | white powder |
| Main content %≥ | 98.0 | 98.0 |
| P2O5 %≥ | 42.4 | 42.4 |
| Na2O % | 36-40 | 36-40 |
| pH of 1% water solution | 11.5-12.5 | 11.5-12.5 |
| Heavy metal, as Pb %≤ | - | 0.001 |
| Arsenic, as As %≤ | - | 0.0003 |
| Fluoride, as F %≤ | - | 0.002 |
| Water insoluble %≤ | 0.1 | 0.1 |
| Sieve test(Through60mesh) %≥ | 90.0 | 90.0 |
Plastic-woven sack with polythene inner bag. Net weight: 25kg. Stored in ventilated and dry place.
Trisodium phosphate; Phosphoric acid trisodium salt; Sodium orthophosphate; Sodium phosphate