Molecular formula: CH3COONa·3H2O
Molecular weight: 136.08
CAS NO:6131-90-4
Properties: colorless transparent crystal or white particle. Wheathering in the dry air. Relative density is 1.45 and melting point is 58℃. Soluble in water and slightly soluble in ethyl alcohol.
Standard: maximum assay of impurities is in %
Specifications/item |
Analytically pure-AR
|
Chemically pure-CP
|
High purity
|
Industrial superior grade
|
Assay(CH3COONa·3H2O)
|
≥99.0
|
≥98.0
|
58~60
(CH3COONa)
|
58~60
(CH3COONa)
|
PH value (50g/L,25℃)
|
7.5~9.0
|
7.5~9.0
|
7.5~9.0
|
7.5~9.0
|
Clarity test
|
Qualified
|
Qualified
|
Qualified
|
-
|
Water insoluble matter
|
≤0.002
|
≤0.005
|
≤0.005
|
≤0.05
|
Chloride(Cl)
|
≤0.001
|
≤0.003
|
≤0.035
|
≤0.2
|
Sulfate(SO4)
|
≤0.005
|
≤0.005
|
|
-
|
phosphate(PO4)
|
≤0.0002
|
≤0.0005
|
≤0.0005
|
-
|
Aluminium (Al)
|
≤0.0005
|
≤0.001
|
-
|
-
|
Calcium (Ca)
|
≤0.002
|
≤0.005
|
-
|
-
|
Iron (Fe)
|
≤0.0002
|
≤0.0005
|
≤0.0005
|
≤0.005
|
Copper (Cu)
|
≤0.0005
|
≤0.001
|
-
|
-
|
Lead (Pb)
|
≤0.0005
|
≤0.001
|
-
|
-
|
Potassium permanganate-reducing material
(HCOOH)
|
≤0.01
|
≤0.02
|
-
|
-
|
Arsenic (As)
|
-
|
-
|
-
|
-
|
Heavy metal (Pb)
|
-
|
-
|
≤0.001
|
≤0.003
|
Uses: as chemical reagent, printing and dyeing auxiliary, meat preservative, raw material for acetic anhydride. It can also be used in electronics, instrument, metallurgy, pharmaceutical, electroplating, and other fields.
Packing: woven bag lined with plastic bag, kraft bag, or fiber drum, net weight is 25kg.
|