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Molecular Formula

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Molecular Weight

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Appearance/Description: White crystals / crystalline powder.
Solubility: Freely soluble in water.
Identification A (By IR): IR spectra of the sample should be concomitant with the IR spectra of the respective standard.
Identification B (By Chromatographic identity): The retention time of the major peak of the sample solution corresponds to that of the standard solution.
Identification C (for Sodium): Dense white precipitate should form.
Assay (By HPLC, on dried basis): 98.0% - 102.0%
Limit of Sodium Acetate: NMT 0.2%
Limit of Sodium Maleate: NMT 0.1%
Limit of Sodium Fumarate: NMT 0.1%
Acidity & alkalinity /pH: 7.5 - 9.0
Loss on drying,120°C: 37.0% to 41.0%
Chloride (Cl): 0.005% max.
Sulphate (SO4): 0.01% max.
Phosphate (PO4): 0.001% max.
Nitrogen (N): 0.001% max.
Arsenic (As): 1.5ppm max.
Cadmium(Cd): 0.2ppm max.
Lead (pb): 0.5ppm max.
Mercury(Hg): 0.3ppm max.
Nickel (Ni): 2ppm max.
Copper (Cu): 0.0005% max.
Iron (Fe): 0.002% max.
Potassium (K): 0.05% max.
Calcium (Ca): 0.005% max.
UV absorbance profile (10mm cell)@260nm: 0.08 max.
UV absorbance profile (10mm cell)@280nm: 0.045 max.
Total aerobic microbial count (Bioburden): 100 CFU/g max.
Total combined yeasts and molds count (Bioburden): 50 CFU/g max.
E.coli: Absent CFU/gm
Salmonella: Absent CFU/ 10gm
Pseud. aeruginosa: Absent CFU/gm
Staphylococcus aureus: Absent CFU/gm
Bile-tolerant gram negative bacteria: Absent CFU/gm
Bacterial endotoxins: 6 EU/gm max.
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