| Synonyms | Dibasic sodium citrate |
| Definition |
|---|
| Einecs | 205-623-3 |
| Chemical name | Disodium citrate; Disodium salt of 2-hydroxy-1,2,3-propanetricarboxylic acid; Disodium salt of citric acid with 1,5 molecules of water |
| Chemical formula | C6H6O7Na2·1,5H2O |
| Molecular weight | 263,11 |
| Assay | Content not less than 99 % on the anhydrous basis |
| Description | Crystalline white powder or colourless crystals |
| Identification |
|---|
| Test for citrate | Passes test |
| Test for sodium | Passes test |
| pH | Between 4,9 and 5,2 (1 % aqueous solution) |
| Purity |
|---|
| Loss on drying | Not more than 13,0 % (180 °C, 4 hours) |
| Oxalates | Not more than 100 mg/kg expressed as oxalic acid, after drying |
| Arsenic | Not more than 1 mg/kg |
| Lead | Not more than 1 mg/kg |
| Mercury | Not more than 1 mg/kg |
