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Appearance
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White hydroscopic, crystalline powder with clear colourless Liquid in solution,melt between 148°C & 153°C is odorless, or may have faint trimethylamine odor
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Assay (on anhydrous basis)
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99.0 to 100.5%
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Solubility
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To comply
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Identification 'A' ( by IR)
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To comply
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Identification 'B'
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To comply
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Specific optical rotation ([α]20/D)
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Between + 17.5° and + 18.5°
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pH
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3.0 to 4.0
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Water (H2O)
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Max 0.5%
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Residue on ignition
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Max 0.1%
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Arsenic (As)
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Max 0.0002%
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Lead (Pb)
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Max 0.00003%
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Heavy metal
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Max 0.001%
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Limit of total amines
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Max 0.001%
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