Alias: Sodium dihydrogen phosphate anhydrous
Chemical formula: NaH2PO4·2H2O , NaH2PO4
Property: Appearance White powder or particle, colorless to white crystal.
Packing: Paper bag or PP-PE bag, Net weight 25kg per bag, or based on the customers’ requirements.
Executive standard: HG/T 2767-2009
Quality standard:
| Item | Index |
|---|---|
| Sodium dihydrogenphosphate dihydrate | Sodium dihydrogen phosphate anhydrous |
| sodium dihydrogen phosphate anhydrous (NaH2PO4·2H2O),w/%≥ | 98.0 |
| (NaH2PO4) (Calculated by dry basis),w/% ≥ | |
| Water insoluble matter,w/% ≤ | 0.10 |
| Iron (Fe),w/% ≤ | 0.05 |
| Arsenic (As),w/% ≤ | 0.01 |
| Sulfate (Calculated by SO4),w/% ≤ | 0.5 |
| Chloride (Calculated by Cl),w/% ≤ | 0.40 |
| pH (10g/L solution) | 4.2~4.6 |
| Fluorine (F),w/% ≤ | 0.05 |
| Drying loss (NaH2PO4),w/% ≤ | — |
Usage: Mainly used in boiler treatment, dyes auxiliary, pigment precipitating agent, detergent, mica sheet bonding and baking powder manufacturing, etc.
Transportation and storage: Avoid rain during the transportation, pay attention to damp and damp and pollution. Please keep in dry and ventilated warehouse, and equipped with under lay to prevent damp.