| Synonyms | |
| Definition | Sodium diacetate is a molecular compound of sodium acetate and acetic acid |
| Einecs | 204-814-9 |
| Chemical name | Sodium hydrogen diacetate |
| Chemical formula | C4H7NaO4·nH2O (n = 0 or 3) |
| Molecular weight | 142,09 (anhydrous) |
| Assay | Content 39 to 41 % of free acetic acid and 58 to 60 % of sodium acetate |
| Description | White, hygroscopic crystalline solid with an acetic odour |
| Identification |
|---|
| pH | 4,5-5,0 (10 % aqueous solution) |
| Test for acetate | Passes test |
| Test for sodium | Passes test |
| Purity |
|---|
| Water content | Not more than 2 % (Karl Fischer method) |
| 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 |
