| Synonyms | Monosodium salt of DL-malic acid |
| Definition |
|---|
| Einecs | |
| Chemical name | Monosodium DL-malate; monosodium 2-DL-hydroxy succinate |
| Chemical formula | C4H5NaO5 |
| Molecular weight | 156,07 |
| Assay | Content not less than 99,0 % on the anhydrous basis |
| Description | White powder |
| Identification |
|---|
| Test for 1,2-dicarboxylic acid | Passes test |
| Test for sodium | Passes test |
| Azo dye formation | Positive |
| Purity |
|---|
| Loss on drying | Not more than 2,0 % (110 °C, 3 hours) |
| Maleic acid | Not more than 0,05 % |
| Fumaric acid | Not more than 1,0 % |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 2 mg/kg |
| Mercury | Not more than 1 mg/kg |