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Appearance
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White or almost white, crystalline powder or white or colourless, acicular crystals
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Assay
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99.0 - 100.5%
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Identification as per pharma
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Passes test
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Appearance of solution
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Dissolve 1 g in 10 ml of ethanol (96%). Solution is clear & colourless
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Melting point
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158 - 161°C
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Related Substances
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Passes test
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Sulphated ash
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Max 0.1%
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Heavy metal (as Pb)
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Max 0.002%
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Iron (Fe)
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Max 0.0002%
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Chloride (Cl)
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Max 0.01%
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Sulphate (SO4)
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Max 0.02%
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Loss on drying (over P2O5, in desiccator)
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Max 0.5%
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