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Appearance
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White crystals or crystalline powder; odorless
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Solubility
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Soluble in water; slightly soluble in alcohol; practically insoluble in acetone, in ether, and in chloroform
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Identification (by IR)
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Passes USP test
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Assay (Potentiometric; on the dried basis)
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98.5% - 102.0%
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Residue on ignition
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Max 0.2%
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Loss on drying (at 105°C ; 3 hrs)
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NMT 3.0%
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