Monosodium phosphate(MSP)
1.anhydrous / dihydrous
2.cas:7558-80-7
3.food grade
4.industrial grade
Monosodium phosphate(MSP)
Alias: sodium dihydrogen phosphate
Molecular formula: NaH2PO4
Molecular Weight: 120.005
CAS No.: 7558-80-7; 89140-32-9
Character: white crystalline powder. Melting point is 190 centigrade. It is dissolved in water. Its aqueous solution acidic, slight hygroscopicity.
Uses: Used in boiler water treatment, electroplating, tanning, dye, medicine, food and other industries. Used as a reactive additive for phosphate modified starch. The preparation of special food phosphates.
Quality standard(reference standard)
Specifications | NaH2PO4 | NaH2PO4. 2H2O | ||
(Anhydrous) | (Dihydrate) | |||
Industrial Grade | Food Grade | Industrial Grade | Food Grade | |
Main Contents % ≥ | 98 | 98 | 98 | 98 |
Phosphorus pentoxide % ≥ | 58 | 58 | 44.6 | 44.6 |
PH value of 1% solution | 4.2-4.8 | 4.2-4.8 | 4.2-4.8 | 4.2-4.8 |
Heavy metals, as Pb % ≤ |
| 0.001 |
| 0.001 |
Arsenic, as As % ≤ |
| 0.0003 |
| 0.0003 |
Fluoride as F % ≤ |
| 0.005 |
| 0.005 |
Water insoluble % ≤ | 0.1 | 0.1 | 0.1 | 0.1 |
