Disodium Phosphate (DSP) — Industrial Grade
Product Introduction
Basic Information
· Molecular Formula: Na₂HPO₄; Na₂HPO₄·2H₂O; Na₂HPO₄·12H₂O
· CAS No.: 7558-79-4 (Anhydrous); 10028-24-7 (Dihydrate); 10039-32-4 (Dodecahydrate)
· Standard Executed: HG/T 2965-2009
· Appearance: White powder or granule
· Usage: Used as boiler-water softener, fire retardant for textile, wood and paper
· Packaging: 25kg, 50kg, 1000kg bags or according to customer's demand
Specification
| Item | Industrial Grade |
|---|---|
| W/% Main contents (as Na₂HPO₄·12H₂O) | ≥ 97.0 |
| SO₄, W/% | ≤ 0.7 |
| W/% Chloride (as Cl) | ≤ 0.05 |
| W/% Arsenic (as As) | ≤ 0.005 |
| W/% Fluoride (as F) | ≤ 0.05 |
| W/% Iron (as Fe) | ≤ 0.05 |
| W/% Water insoluble | ≤ 0.05 |
| pH Value (10g/L solution) | 9.0±0.2 |

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