| Synonyms | |
| Definition | |
|---|---|
| Einecs | 203-740-4 |
| Chemical name | Butanedioic acid |
| Chemical formula | C4H6O4 |
| Molecular weight | 118,09 |
| Assay | Content no less than 99,0 % |
| Description | Colourless or white, odourless crystals |
| Identification | |
| Melting range | 185,0-190,0 °C |
| Purity | |
| Residue on ignition | Not more than 0,025 % (800 °C, 15 min) |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 2 mg/kg |
| Mercury | Not more than 1 mg/kg |