Chemical name: Sodium Acetate
Chemical formula: C2H3NaO2·xH2O(x=0 or 3)
Molecular weight: anhydrous: 82.03 ; trihydrate:136.08
CAS: anhydrous 127-09-3 ; trihydrate 6131-90-4
Description:Sodium Acetate occurs as colorless,transparent crystals or as a granular,crystalline or white powder.The anhydrous form is hygroscopic;the trihydrate effloresces in warm,dry air.One gram of the anhydrous form dissolves in about 2mL of water;1 g of the trihydrate dissolves in about 0.8mL of water and in about 19mL of alcohol.
Specifications
|
Name of index |
FCC V |
E262(i) |
|
Identification |
Pass test |
Pass test |
|
Assay(C2H3NaO2,on dried basis) % |
99.0-101 |
≥98.5 |
|
Alkalinity, % |
≤0.2 anhydrous |
--- |
|
Lead, mg/kg |
≤2 |
≤2 |
|
Loss on drying% |
≤1.0 anhydrous |
≤2.0 anhydrous (120℃，4hours) |
|
Potassium Compounds% |
Pass test |
|
|
PH(1% aqueous solution) |
--- |
8.0-9.5 |
|
Arsenic g/kg |
--- |
≤3 |
|
Mercury |
--- |
≤1 |
|
Formic acid,formats and other oxidisable substances mg/kg |
--- |
≤1000 |
