Appearance
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White crystals or crystalline flakes (turns pink on exposure to air and light)
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Infrared spectrum
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Conforms
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Purity (by GC)
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Min 99.5%
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Water (by KF)
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Max 0.2%
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Residue on evaporation
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Max 0.05%
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Acidity
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( as per Ph. Eur.) Passes test
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Appearance of solution
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(as per Ph. Eur.) Passes test
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Solidification point
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Min 40.5°C
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