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Description
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Colorless, translucent crystals, or white, granular to fine, crystalline powder
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Solubility
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Very soluble in water; freely soluble in alcohol; very slightly soluble in ether
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Identification 'A' ( by IR)
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Meets the requirements
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Assay (on anhydrous basis)
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99.5 % and 100.5%
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Residue on ignition
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NMT 0.1%
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Sulphates
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NMT 0.015%
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Aluminium
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Not Applicable
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Oxalic acid
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NMT 0.036%
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Specific tests
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-
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Bacterial endotoxins
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Not Applicable
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Clarity of solution
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The sample solution shows the same clarity as that of water or its opalescence is not more pronounced than Standard suspension A
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Colour of solution
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The sample solution is not more intensely colored than water. If more intensely colored, follow Analysis 2. The sample solution is not more intensely colored than Standard solutions A, B, and C.
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Readily carbonisable substance
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The color of the acid is not darker than that of a similar volume of Matching Fluid K in a matching tube, the tubes being observed vertically against a white background
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Sterility Tests
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Not Applicable
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Water
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7.5% – 9.0%
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