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Description
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A clear, colourless or almost colourless, syrupy liquid; hygroscopic
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Identification
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-
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Identification 'A'
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The spectrum of sample should be concordant with spectrum of standard
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Identification B (Refractive Index)
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1.470 to 1.475
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Identification C (Relative density)
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1.258 to 1.268
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Appearance of solution
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Solution should be clear and colorless
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Acidity or alkalinity
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Passes test
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Heavy metals
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NMT 5 ppm
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Chlorides
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NMT 10 ppm
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Aldehydes
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NMT 10 ppm
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Ester
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Not less than 8.0 ml of 0.1 M hydrochloric acid is required to decolourise the solution
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Halogenated compounds
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NMT 35 ppm
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Ethlylene glycol, diethylene glycol and related substances
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The sum of all the impurities is not more than 1.0 per cent.
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Sugars
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The solution remains blue and no precipitate is produced.
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Sulphated ash
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NMT 0.01%
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Water
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NMT 2.0%
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Assay (on anhydrous basis)
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98.0 – 101.0%
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