Sodium phosphate
[Name] sodium phosphate [7601-54-9]
[Molecular formula] Na3PO4·12H2O
[Synonyms] sodium phosphate
[Molecular weight] 380.12
[UN] -
[Product Specifications] HG/T2517-1993
| Index Name | Industry Grade | ||
| Excellent | Grade 1 | Grade 2 | |
| Purity,% min | 98.5 | 98.0 | 95.0 |
| Methyl Orange basicity(Na2O),% | 16.5~19.0 | 16.0~19.0 | 15.5~19.0 |
| Water-insoluble matter, % max | 0.05 | 0.10 | 0.10 |
| Sulphates(SO4),% max | 0.50 | 0.50 | 0.80 |
| Chloride (Cl),% max | 0.30 | 0.40 | 0.50 |
| Iron (Fe),% max | 0.01 | — | — |
| Arsenic(As),% max | 0.005 | — | — |
[Character] 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°C.
[Uses] Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
[Packing] Packing with polythene plastic bag lined with plastic weaven bag. 25kg or 50kg per bag.
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