Molecular formula: CH3COONa
Molecular weight: 82.03
CAS NO:6505-45-9
Properties: White powder. Soluble in water. Density is 1.528 and melting point is 324℃.
Standard: maximum assay of impurities is in %
Specifications/item |
Analytically pure-AR
|
Chemically pure-CP
|
High purity
|
Industrial superior grade
|
Assay (CH3COONa) /%
|
≥99.0
|
≥98.5
|
≥99.0
|
≥98
|
PH value (50g/L,25℃)
|
7.5~9.0
|
7.5~9.0
|
7.5~9.0
|
-
|
Clarity test
|
Qualified
|
Qualified
|
Qualified
|
-
|
Water insoluble matter/%
|
≤0.005
|
≤0.01
|
≤0.05
|
≤0.04
|
Chloride(Cl) /%
|
≤0.002
|
≤0.005
|
≤0.01
|
≤0.08
|
Sulfate(SO4) /%
|
≤0.003
|
≤0.01
|
≤0.01
|
-
|
phosphate(PO4) /%
|
≤0.000 5
|
≤0.001
|
≤0.002
|
-
|
Magnesium (Mg) /%
|
≤0.000 5
|
≤0.001
|
-
|
-
|
Aluminium (Al) /%
|
≤0.001
|
≤0.002
|
—
|
-
|
Calcium (Ca) /%
|
≤0.005
|
≤0.005
|
-
|
-
|
Iron (Fe) /%
|
≤0.000 5
|
≤0.001
|
≤0.001
|
≤0.006
|
Heavy metal (Pb) /%
|
≤0.001
|
≤0.002
|
≤0.002
|
-
|
Free alkali/%
|
-
|
-
|
-
|
≤0.03
|
Uses: as chemical reagent, meat preservative, printing and dyeing auxiliary, pharmaceutical excipient and intermediate, and cement additive.
Packing: Woven bag lined with plastic bag, kraft bag, or fiber drum, net weight is 25kg or 20kg.
|