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-> RIBOFLAVIN USP (VITAMIN B2)
RIBOFLAVIN USP
(Vitamin B2)
SPECIFICATIONS
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ITEM
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SPECIFICATION
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Appearance
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Orange yellow crystalline powder
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Identification
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Positive
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Specific Rotation
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Between -115o and -135o (USP)
Between +56.5o and +59.5o (FCC)
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Loss
on Drying
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NMT
1.5%
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Residue on Ignition
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NMT
0.3%
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Lumiflavin
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≤0.025 at 440 nm
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Particle Size
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100%
passes through
80
Mesh
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Heavy Metals
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NMT
10 ppm
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Organic Volatile Impurities
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Meets Method IV <467> (USP)
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Assay (on dried basis)
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98.0
– 102.0%
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Microbiology:
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Total Plate Count
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NMT
3,000 CFU/g
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Yeast & Mold
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NMT
300 CFU/g
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E.
Coli
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Negative
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Salmonella
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Negative/25 gm
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