CASR |
: | 110-16-7 |
Molecular Formula |
: | C4H4O4 |
Molecular Weight |
: | 116.07 |
| Specifications | |
|---|---|
| Description: | A white or almost white, crystalline powder |
| Solubility: | Freely soluble in water and in alcohol. |
| Identification A (By pH): | The pH of the solution should be less than 2. |
| Identification B (By TLC test): | The principal spot in the chromatogram obtained with test solution (b) should be similar in position and size to the principal spot in the chromatogram obtained with reference solution (a). |
| Identification C (By Chemical test): | A violet-pink color should develop. |
| Appearance of solution: | Solution should be clear and not more intensely colored than reference solution Y7. |
| Fumaric acid: | NMT 1.5% |
| Iron (Fe): | NMT 5ppm |
| Sulfated ash: | NMT 0.1% |
| Water: | NMT 2.0% |
| Assay (anhydrous basis): | 99.0% - 101.0% |
