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Ursodeoxycholic Acid (UCDA)
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Specifications
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Appearance | A white powder with a bitter taste and without odor |
Solubility | Freely soluble in ethanol |
Identification | TLC |
Specific Optical Rotation | +59' ~ +62' |
Melting Point | 200~204'C |
Chloride | NMT 0.022% |
Sulfate | NMT 0.048% |
Heavy Metals | NMT 20ppm |
Arsenic | NMT 2ppm |
Related Substances | Chenodeoxycholic acid NMT 1.5%
Lithocholic acid NMT 0.1% |
Loss on Drying | NMT 1.0% |
Residues on Ignition | NMT 0.2% |
Assay (Titration) | NLT 98.5% |