Maleic acid USP-NF 5KG | |||
90863SR500 | 423430823KW | ||
USP-NF | 4234308 | ||
110-16-7 | 99491 | ||
C4H4O4 | November 2023 | ||
116.07 | October 2026 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White crystalline powder. | White crystalline powder. |
2 | Solubility | Complies | Freely soluble in water and alcohol,sparingly soluble in ether. |
3 | Identification A (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the standard |
4 | Identification B (By HPLC) | Complies | The retention time of the Maleic acid peak of the sample solution corresponds to that obtained in the standard solution. |
5 | Assay (anhydrous basis) | 99.9% | 98.0 % to 102 % w/w |
6 | Residue on ignition | 0.05% | NMT 0.1% w/w |
7 | Iron (Fe) | Less than 5 ppm | NMT 5 ppm |
8 | Fumaric acid | 0.34% | NMT 1.0 % w/w |
9 | Malic acid | 0.2% | NMT 0.5 % w/w |
10 | Water content (By KF) | 0.2% | NMT 0.5 % w/w |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |