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Appearance
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White crystals or crystalline flakes ( turns pink on exposure to air and light)
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Purity (by GC)
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Min 99.5%
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Solubility
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5% aq. solution clear & colourless
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Melting point
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40 - 41°C
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pH (5% solution in water)
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4.5 - 6.0
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Non-volatile matter
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Max 0.01%
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Chloride (Cl)
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Max 0.0005%
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Iron (Fe)
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Max 0.0001%
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Heavy metal (as Pb)
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Max 0.0001%
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Water (H2O)
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Max 0.5%
|