CasNo.83-88-5,High purity Riboflavin (VB2),(83-88-5) Suppliers

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.