| Customization: | Available |
|---|---|
| CAS No.: | 7558-79-4 |
| Formula: | Na2hpo4.12H2O |
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Disodium Phosphate:White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.63, melting point at 34.6ºC.Disodium Phosphate can be used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, etc.
Disodium Phosphate Tech Grade
| Specification | FCC VII |
| Assay(Na2HPO4,Dry Basis),w/%≥ | 98 |
| As,mg/kg≤ | 3 |
| Heavy Metal(Pb) mg/kg≤ | 10 |
| Pb,mg/kg≤ | 4 |
| Fluorides,mg/kg≤ | 50 |
| Insoluble Substances,w/% ≤ | 0.2 |
| Loss On Drying,w/% N2HPO4≤ | 5 |
| N2HPO4*2H2O≤ | 18-22 |
| N2HPO4*7H2O≤ | 43-50 |
| N2HPO4*12H2O≤ | ---- |
In foods,Disodium Phosphate is used to adjust pH. Its presence prevents coagulation in the preparation of condensed milk. Similarly, Disodium Phosphate is used as an anti-caking additive in powdered products. Disodium Phosphate is used in desserts and puddings, e.g. Cream of Wheat to quicken cook time, and Jell-O Instant Pudding for thickening.
In water treatment, Disodium Phosphate retards calcium scale formation. Disodium Phosphate is also found in some detergents and cleaning agents.
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