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 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: | 99.0% - 101.0% on anhydrous basis |