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HEBEI HUANWEI BIOTECH CO., LTD.
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Product description:
1) Specification: BP/USP
2) CAS No.: 83-88-5
3) Appearance:Orange yellow crystalline powder
4)Function: Vitamin B2, also known as riboflavin, is an easily absorbed micronutrient with a key role in maintaining health in humans and animals. It is the central component of the cofactors FAD and FMN, and is required by all flavoproteins . As such, vitamin B2 is required for a wide variety of cellular processes. Like the other B vitamins, it plays a key role in energy metabolism, and for the metabolism of fats, ketone bodies, carbohydrates, and proteins.
Quality standard:
| Test Items |
Specifications |
Results |
| Appearance |
Orange yellow crystalline powder |
Meets |
| Identification |
Positive |
Meets |
| Acidity or Alkalinity |
check the color of the test solution after adding the respective solutions |
Meets |
| Lumiflavin |
Absorbance of the filtrate at 440nm does not exceed 0.025(USP);not more intense than BY6(EP/BP |
0.009 Meets |
| Absorbance |
0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm |
0.32 ,0.38 |
| Particla Size |
100% passes through 80 mesh sieve |
Meets |
| Specific Rotation |
between-115° and 135° (EP/BP/USP) |
-127° |
| Loss on drying |
≤1.5% |
0.4% |
| Heavy Metals |
<10ppm |
Meets |
| Residue on Ignition |
≤0.3%(USP) ≤0.1%(EP/BP) |
0.1% |
| Residual Solvents |
Method IV <467> (USP) |
Meets |
| Assay(on dried basis) |
98.0%-102.0%(USP) 97.0%-103.0%(EP/BP ) |
100.4% |
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Send Inquiry
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HEBEI HUANWEI BIOTECH CO., LTD.
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Specifications:
Identification: Positive
Particle Size(0.28MM Sieve): 90% pass through
Loss on dring: 3.0% max
Residue on ignition: 5% max
Volatilizable Impurity of Organic: Conform
Assay (on dry basis) (HPLC): 80% min
Apperrance: Yellow to Orange-yellow free flowing powder.
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ITEM
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STANDARD
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Character
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Yellow to Orange-yellow free flowing particle
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Identification Positive
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Must comply
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Particle Size(0.28MM Sieve)
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Sieve 90% pass through 0.28mm normal sieve
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Loss on dring
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3.0% max
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Residue on ignition
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5% max
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Volatilizable Impurity of Organic
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Msut comply
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Assay(on dry material)
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77.8-84%
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Inspection method
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According to “Feed additive-Riboflavin flowing particle”GB/T 18632-2002.
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Packing: Normally in 25kg paper cartons with PE liners.
Storage: Stable powder, keep container closed in a dark, dry and cool condition when in not use
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Send Inquiry
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Pharma Sources Insight January 2025
