[ Property ]
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White crystal or crystalline powder, slightly bitter, soluble in ethanol, slightly soluble in chloroform, insoluble in water, melting point: 233 -235 °C
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[ Main index ]
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Physicochemical properties:white crystalline powder, insoluble in water, soluble in acetone and ethanol, slightly soluble in methylene chloride, soluble in diluted sodium hydroxide.
Melting point:231 °C --- 236 °C
Relevant impurities: Total impurities ≤0.2%,Single impurity ≤0.1%
Loss on drying:≤ 0.5%
Residue on ignition:≤ 0.1%
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