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Other Name : Riboflavin
CAS No. : 83-88-5
Molecular Formula : C17H20N4O6
Molecular Weight : 376.37
Molecular Structure :
Appearance :Orange yellow crystalline powder.
Identificaton :Positive
Lumiflavin :Absorbance of the filtrate at 440nm does not exceed
0.025(USP);not more intense than BY6(EP/BP)
Absorbance :0.31-0.33 A373nm/A267nm
0.36-0.39 A444nm/A267nm
by spectrophotometric analysis
Particle size :95% pass through 80 mesh sieve
Specific rotation :between-115°and -135°
Loss on drying :1.5%Max
Heavy metal : ＜10ppm
Residue on ignition /Sulphated ash : 0.3%Max(USP)
0.1%Max(EP/BP)
Organic Volatile impurities :Method IV(USP)
Assay :98.0%-102.0%(USP)
97.0%-103.0%(EP/BP)
Packing :25kgs net per drum
Shelf life :36 months
Function:
Feed additive,food additive,pharmaceutical.
Storage:
Store in a cool and dry place
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