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Vitamin B2 (Riboflavin)

Vitamin B2 (Riboflavin)
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FOB Price: Negotiable 
Product Type: vitamins 
Port: Shanghai 
Minimum Order Quantity: 25  
Supply Ability: 100
Place Of Origin:
Delivery Time: 7 days
Expiry Date: long-term effectiveness
Last Update: 2018-11-26
Views: 43
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Product Details
 Property: Vitamin B2, also called riboflavin, is a water-soluble vitamin present in most animal and plant tissues. Riboflavin is one of the essential B vitamins, known to help support adrenal function, help calm and maintain a healthy nervous system, and facilitate key metabolic processes, including helping to turn food into energy.

Appearance: Orange yellow crystal Powder

Cas No.: 83-88-5

Molecular Formula:  C17H20N4O6

Molecular Weight: 376.36


Food Grade 98% 



Specific Rotation

Should be clear and colorless

Color of solution

No more than solution Y7 or GY7


2.7 - 3.3


300 ppm max



Heavy metals

20 ppm max

Absorbance of solution

0.025 max

Chromatographic purity

1% max

Loss on drying

5.0% max

Residue on ignition

0.10% max


98.5 - 101.5%


Feed Grade 80%




Yellow Or Orange-Yellow Crystalline Powder



Assay(on dried basis)


Particle Size

Sieve 90% Pass Through 0.28mm Normal Sieve

Loss On Drying

3.0% Max

Residue On Ignition

0.5% Max

Storage Condition: Keep in cool, dry, dark conditions, in sealed containers

Package: Inner: Two-layer clean, food grade plastic bag Outer: fiber drum or carton

Application: stimulate growth and cell regeneration; the skin, nails, hair, normal growth; to help eliminate the mouth, lips, tongue inflammation; to enhance visual acuity and reduce eye fatigue;
the interaction with other substances to help the carbohydrates, fats, protein metabolism


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