CASR |
: | 87-69-4 |
Molecular Formula |
: | C4H6O6 |
Molecular Weight |
: | 150.09 |
| Specifications | |
|---|---|
| Description: | Colorless or translucent crystals or white,fine to granular,crystalline powder. Is odorless, and stable in air. |
| Solubility: | Very soluble in water; freely soluble in alcohol and freely soluble in ethanol (96%) |
| Identification (By chemical test): | Solution should be strongly acid. |
| Identification (Tartrates): | Should give reactions of tartrates. |
| Identification (By IR): | IR spectra of the sample should be concomitant with IR spectra of the standard. |
| Assay (Dried substance): | 99.7% - 100.5% |
| Appearance of solution: | Solution should be clear and not more intensely coloured than reference solution Y6. |
| Sulfated ash /Residue on ignition: | NMT 0.1% |
| Oxalic acid: | NMT 360ppm |
| Chlorides: | NMT 100ppm |
| Sulfates: | NMT 150ppm |
| Chloride and sulfate:Sulfate: | No turbidity should produce. |
| Calcium (Ca): | NMT 200ppm |
| Specific optical rotation: | +12.0° to +12.8° |
| Loss on drying: | NMT 0.2% |
| Limit of Oxalate: | No turbidity should produce. |
