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Properties White powder or colorless crystals. Easily soluble in water but not in ethanol and carbon disulfide. Its water solution is alkaline, and PH of 1% solution is 12.5. Relative density of Na3PO4.12H2O is1.62, and it is decomposed at 73.3~76.7. Relative density of anhydrous Na3PO4 is 2.537, and its melting point is 1340. Uses: Used as softening agent, detergent, sugar juice purifier, phosphated agent, degreasing agent, emulusion resolving of ceramic clay, fading agent of technical oil, rubber latex solidifier and so on. Packing and storage In double layer bags of net weight of 25 Kg or 50 Kg, store at a cool, dry and well ventilated place. Specifications:
No. | Item | Na3PO4 | Na3PO4.12H2O | ||
Industrial grade | Food grade | Industrial grade | Food grade | ||
1 | Assay %≥ | 98.0 | 98.0 | 98.0 | 98.0 |
2 | P2O5%≥ | 39.5 | 39.5 | 18.3 | 18.3 |
3 | Sodium oxide, as Na2O | 36-40 | 36-40 | 15.5-19 | 15.5-19 |
4 | Sulfate, as SO4 %≤ | 0.25 | 0.5 | 0.5 | |
5 | Heavy metal, as Pb %≤ | 0.001 | 0.001 | ||
6 | Arsenic, as As %≤ | 0.0003 | 0.0003 | ||
7 | Fluoride as F %≤ | 0.005 | 0.005 | ||
8 | Water insolubles %≤ | 0.10 | 0.10 | 0.10 | 0.10 |
Trisodium Phosphate(TSP)