Keep Ingredients competitively supplies Riboflavin with CAS No. 83-88-5 from small MOQ to bulk by Fast express, DDP, CIF and other terms.
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Tests
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Specifications
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Results
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Conclusion
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|
Character
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Orange yellow crystalline powder
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Orange yellow crystalline powder
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Qualified
|
|
ldentification
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Conform the specification
|
Conform the specification
|
Qualified
|
|
Assay(Dry basis)
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98.0%~ 102.0%
|
99.2%
|
Qualified
|
|
Loss on drying
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≤1.5%
|
0.29%
|
Qualified
|
|
Residue on ignition
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≤0.3%
|
0.05%
|
Qualified
|
|
Specific Rotation
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-120°~-140°
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-130.4°
|
Qualified
|
|
Absorbance of
photosensitive
flavin
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≤0.025
|
0.005
|
Qualified
|
|
Heavy Metals
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≤10mg/kg
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<10mg/kg
|
Qualified
|
|
As
|
≤2mg/kg
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<2mg/kg
|
Qualified
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