High purity Ribofla...

High purity Riboflavin (VB2)

High purity Riboflavin (VB2)

Min.Order / FOB Price:Get Latest Price

1 Kilogram

Negotiable

  • Min.Order :1 Kilogram
  • Purity: 99.1%
  • Payment Terms : L/C,T/T,

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Quick Details

  • Appearance:Orange yellow crystalline powder
  • Application:CAS: 83-88-5
  • PackAge:25kg/drum
  • ProductionCapacity:15000|Kilogram|Year
  • Storage:Cool and dry place
  • Transportation:by sea or air, express for small quantity

Superiority:

Product name: Riboflavin(VB2)

CAS No.:83-88-5

Molecule Formula:C17H20N4O6

Molecule Weight:376.3739

Purity: 99.1%

Package: 25kg/drum

Description:Orange yellow crystalline powder

Manufacture Standards:BP/USP/EP

Testing Items

Specifications

Results of Test

Appearance

Orange yellow crystalline powder

Conforms

Identification

Positive

Conforms

Acidity or alkalinity

Check the color of the test solution after adding the respective solutions

Conforms

Absorbance

0.31~0.33 A373nm/A267nm

0.36~0.39 A444nm/A267nm

0.32(BP) 0.33(EP)

0.38(BP) 0.39 (EP)

Lumiflavin

Absorbance of the filtrate at 440nm does not exceed 0.025(USP)

0.008(USP)

Specific rotation

-115.0°~-135.0°

-122°(USP)

-128°(BP/EP)

Particle size

95% passes through 80 mesh sieve

Conforms

Loss on drying

≤1.50%

0.2%

Residue on ignition

≤0.3%(USP)

≤0.1%(BP)

0.1%

Assay

98.0%~102.0%(USP)

97.0%~102.0%(BP)

98.5%(USP)

99.1%(BP/EP)

Organic volatile impurities

Method IV <467>(USP)

Conforms

Heavy metals

≤10ppm

<10ppm

Related substance

Impurity A: not more than 0.025%

Impurity B: not more than 0.2%

Impurity C : not more than 0.2%

Impurity D: not more than 0.2%

Unspecified impurity: not more than 0.1%

Total: not more than 0.5%

0.0052%

0.06%

0

0.13%

0.08%/0.06%

0.34%

Conclusion:        

The Product Conforms to BP/USP/EP.

 

Details:

Siwei Development Group Ltd. is a reputed professional enterprise in China dedicated to the Amino Acids production and sales of fine chemical products.Over the years we have been making meticulous efforts in the production, research and development of new generation chemicals applied in a variety of industries like amino acids, food additive, pharma grade raw materials and so on.  With many years industry experience, Siwei is one of the amino acids suppliers and exporters in China, serving bulk powder to industries like dietary supplement, nutritional supplement, functional food and drink.Health is more valuable than wealth. In the tenet of concern for human's life quality. Siwei devotes itself to manufacturing amino acids, which are the necessities for human health.

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