| Synonyms | |
| Definition |
|---|
| Einecs | 204-823-8 |
| Chemical name | Sodium acetate |
| Chemical formula | C2H3NaO2·nH2O (n = 0 or 3) |
| Molecular weight | Anhydrous: | 82,03 |
| Trihydrate: | 136,08 |
| Assay | Content (for both of anhydrous and trihydrate form) not less than 98,5 % on the anhydrous basis |
| Description | Anhydrous: | White, odourless, granular, hygroscopic powder |
| Trihydrate: | Colourless, transparent crystals or a granular crystalline powder, odourless or with a faint, acetic odour. Effloresces in warm, dry air |
| Identification |
|---|
| pH | 8,0-9,5 (1 % aqueous solution) |
| Test for acetate | Passes test |
| Test for sodium | Passes test |
| Purity |
|---|
| Loss on drying | Anhydrous: | Not more than 2 % (120 °C, 4 hours) |
| Trihydrate: | Between 36 and 42 % (120 °C, 4 hours) |
| Formic acid, formates and other oxidisable substances | Not more than 1 000 mg/kg expressed as formic acid |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 2 mg/kg |
| Mercury | Not more than 1 mg/kg |
