Disodium Phosphate
- Type:Phosphates
- CAS No:
- Qty in 20' FCL:
- Min. Order:1*20GP
- QC:Haccp,Kosher,Halal,Iso
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Disodium phosphate,DSP
CAS No.: 7758-79-4
EINECS No.: 231-448-7
Model No.: CF-DSP521(First grade) CF-DSP522(Upper grade)
Molecular formula : Na2HPO4
Molecular weight : 141.98
Property : White powder, easy soluble in water, insoluble in alcohol, easy to absorb water,
pH value of 1% aqueous solution is 9.1.
Specification :
|
Specification |
First grade |
Upper grade |
|
Appearance |
White powder |
White powder |
|
Content ( base on Na2HPO4 ) % |
≥98 |
≥98 |
|
P2O5 content % |
≥49 |
≥49 |
|
pH value ( 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 ( base on SO4 ) % |
-- |
≤0.05 |
|
Chloride ( base on Cl ) % |
-- |
≤0.014 |
|
Fluoride ( base on F ) % |
-- |
≤0.005 |
|
Heavy metal ( base on Pb ) % |
-- |
≤0.001 |
|
Arsenic ( base on As ) % |
-- |
≤0.0003 |
Use :
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 upper grade is used as additive to produce baking powder, etc.
Packing : 25kg woven bag with plastic liner.