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Items
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Specifications
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Description
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Orange yellow crystalline powder
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Identification
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Positive
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Acidity or Alkalinity
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Check the color of the test solution after adding the respective solutions
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Lumiflavin
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Absorbance of the filtrate at 440nm does not exceed 0.025(USP); not more intense than BY6(EP/BP)
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Absorbance
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0.31-0.33 A375nm/A267nm
0.36-0.39 A444nm/A267nm
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Particle Size
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100% passes through 60mesh sieve
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Specific Rotation
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Between -1150 and -1350
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Loss on Drying
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≤1.5%
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Heavy Metals
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＜10ppm
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Residue on Ignition
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≤0.3% (USP)
≤0.1%(EP/BP)
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Organic Volatile
Impurities
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Method IV <467>
(USP)
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Assay (on dried basis)
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98.0%-102.0%(USP)
97.0%-103.0%(EP/BP)
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