Maleic acid USP-NF 5KG Go Back

CASR

: 110-16-7

Molecular Formula

: C4H4O4

Molecular Weight

: 116.07
Specifications  
Description: White crystalline powder.
Solubility: Freely soluble in water and alcohol,sparingly soluble in ether.
Identification A (By IR): IR spectra of the sample should be concomitant with IR spectra of the standard
Identification B (By HPLC): The retention time of the Maleic acid peak of the sample solution corresponds to that obtained in the standard solution.
Assay (anhydrous basis): 98.0 % to 102 % w/w
Residue on ignition: NMT 0.1% w/w
Iron (Fe): NMT 5 ppm
Fumaric acid: NMT 1.0 % w/w
Malic acid: NMT 0.5 % w/w
Water content (By KF): NMT 0.5 % w/w
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