Molecular Formula: Na2HPO4
Molecular Weight: 141.98
Standard: enterprise standard
Properties: white powder, easy soluble in water and insoluble in alcohol, with hydroscopic property; PH(1% aqueous solution): 9.1
Uses: used as boiler water softening agent, the flame retardant and waterproof agent for woods, papers and textiles, dyes auxiliaries, treating agent in electroplating industry, glaze, flux, and the production of purgative prescription. The Food grade is used as additive and to produce baking powder, etc.
Package: woven bag lined with plastic bag, net weight: 25kg/bag.
Item |
Industrial Grade |
Food grade |
Appearance |
white powder |
white powder |
Content (Na2HPO4) % |
≥98 |
≥98 |
P2O3 content % |
≥49 |
≥49 |
pH(1% aqueous solution) |
8.5-10.0 |
8.5-10.0 |
Water-insoluble matters % |
≤0.1 |
≤0.1 |
Loss on drying % |
≤2.0 |
≤2.0 |
Sulfate (SO4) % |
- |
≤0.25 |
Chloride (Cl)% |
- |
≤0.014 |
Fluoride (F) % |
- |
≤0.005 |
Heavy Metal (Pb) % |
- |
≤0.001 |
Arsenic (As) % |
- |
≤0.0003 |
|
