CASR |
: | 617-48-1 |
Molecular Formula |
: | C4H6O5 |
Molecular Weight |
: | 134.09 |
| Specifications | |
|---|---|
| Appearance: | White or almost white crystalline powder. |
| Solubility: | Freely soluble in water and in ethanol(96%) and sparingly soluble in acetone. |
| Identification A (By Melting point): | 128.0°C - 132.0°C |
| Identification B (By IR): | IR spectra of the sample should be concomittant with IR spectra of the standard. |
| Appearance of Solution: | Clear and colourless solution |
| Optical Rotation: | -0.10° to + 0.10° |
| Water insoluble substances: | NMT 0.1% |
| Related substances: Impurity A (Fumaric acid): | NMT 1.0 % |
| Related substances: Impurity B (Maleic acid): | NMT 0.05% |
| Related substances: Any other impurity: | NMT 0.1% |
| Related substances: Total impurity: | NMT 0.5% |
| Water: | NMT 2.0% |
| Sulphated ash: | NMT 0.1% |
| Assay (anhydrous substance): | 99.0% to 101.0% |
