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Description
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Colourless, cubic crystals or a white crystalline powder
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Solubility
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Freely soluble in water; soluble in glycerin; slightly soluble in alcohol
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Identification
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-
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Identification 'A'
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Meets the requirements
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Identification ‘B’
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Chloride -The precipitate dissolves easily with the possible exception of a few large particles, which dissolves more slowly
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Assay (on dried basis)
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99.0%-100.5%
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Arsenic
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NMT 1 ppm
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Barium
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Any opalescence in the test solution is not more intense that in reference solution
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Ferrocyanide [(Fe(CN)6]4-
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No blue colour develops in 10 min
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Iodide (I)
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No blue colour observed
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Iron
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NMT 2 ppm
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Bromides
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NMT 100 ppm
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Phosphates
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NMT 25 ppm
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Magnesium and alkali earth metals
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NMT 100 ppm
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NItrates
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Absorbance is NMT 0.01
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Appearance of solution
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The solution is clear and colouless
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Acidity or alkalinity
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NMT 0.5 mL of 0.01 N hydrochloric acid or 0.01 N sodium hydroxide is required to change the color of this solution
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Loss on drying
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NMT 0.5 %
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Bacterial endotoxins
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Meets the requirements
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Sterility Tests
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Meets the requirements
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