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Molecular weight：358.14
CAS NO: 7558-79-4
【Appearance】It is colorless semitransparent crystal or white powder. Specific gravity is 1.52. Melting point is 34.6℃. It is soluble in water and insoluble in alcohol. Water solution is alkali.
【Usage】 It can be used as analytical reagent, boiler water softener, food additive, etc. It can also be used in electroplate and other industries.
【Standard】The highest impurity content is counted by %
|
Specification Index name |
Analytically pure-AR |
Chemical pure-CP |
High purity |
Water treatment special |
|
Content(Na2HPO4·12H2O)/% |
≥99.0 |
≥98.0 |
≥98.0 |
≥98.0 |
|
Clarity test |
Qualified |
Qualified |
－ |
－ |
|
Water insoluble |
≤0.005 |
≤0.01 |
≤0.05 |
≤0.05 |
|
Chloride(Cl) |
≤0.001 |
≤0.003 |
≤0.014 |
≤0.05 |
|
Sulfate(SO4) |
≤0.01 |
≤0.03 |
≤0.25 |
≤0.5 |
|
Nitrogen compound(N) |
≤0.002 |
≤0.005 |
－ |
－ |
|
Potassium(K) |
≤0.01 |
≤0.1 |
－ |
－ |
|
Ferrum(Fe) |
≤0.0005 |
≤0.001 |
－ |
－ |
|
Arsenic(As) |
≤0.0005 |
≤0.002 |
≤0.0005 |
≤0.005 |
|
Heavy metal( counted by Pb) |
≤0.0005 |
≤0.001 |
≤0.002 |
－ |
|
Fluoride( counted by F ) |
－ |
－ |
≤0.005 |
≤0.10 |
【Packing】Woven bag lining with plastic bag, kraft bag or fiber can. Net weight is 25kg.
