Appearance
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White crystalline powder
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Solubility
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Soluble in Methylene chloride, sparingly soluble in methanol & acetone. Insoluble in water
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Identification
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By IR
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Spectrum of sample should be concordant with the IR spectrum of reference standard
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By HPLC
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The RT of sample should match with RT of WS
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Clarity ( 5% solution in dichloromethane)
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Clear solution
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Melting range
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76.0-78.0°C
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Loss on drying
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NMT 1.0%
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Chromatographic purity (by HPLC)
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Min 98.0%
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Related Substances
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4-Hydroxypropiophenone
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NMT 0.01%
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Bromohydroxypropiophenone
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NMT 0.01%
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Dibromohydroxypropiophenone
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NMT 0.01%
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4-Benzyloxypropiophenone
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NMT 2.0%
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Dibromobenzyloxypropiophenone
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NMT 2.0%
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Maximum other impurity
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NMT 2.0%
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Sum of impurities
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NMT 3.0%
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Purity (by HPLC)
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NLT 98.5%
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Metallic impurity-aluminium
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Not detected
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