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Synonyms: Trisodium phosphate anhydrous, tri sodium phosphate anhydrous, tsp trisodium phosphate.
Chemical formula: Na3PO4
Molecular weight: 380.14
CAS Number: 13472-36-1
Properties: Sodium phosphate tribasic anhydrous is white or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.
Specifications:
| Specification | Industry grade | Food grade |
| Assay ( as Na 3 PO 4 ) % | 97.00min | 98.00min |
| P 2 O 5 Assay % | 42.00min | 42.40min |
| Alkalinity ( as Na 2 O ) | 36.00min | 36.30mn |
| PH value ( 1% solution) | 11.5-12.5 | 11.5-12.5 |
| Sulfate ( as SO 4 ) % | 0.50max | 0.06max |
| Chloride ( as CL ) % | 0.30max | 0.05max |
| Fluoride ( as F ) % | 0.01max | 0.001max |
| Heavy metal ( as Pb ) % | 0.003max | 0.001max |
| Arsenic ( as As ) % | 0.005max | 0.0003max |
| Water insoluble matter % | 0.10max | 0.05max |
Uses: used as water softener, detergent, meat rust inhibitor, drier, gloss reinforcing agent, the purification agent.
Packing: Plastic knit bag, net weight 25kg. In dry and cool place.
