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Vitamin B2; Riboflavin

CAS: 83-88-5
FOB Price: 
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Updatetime:Nov 02 2016
Company Profile
Contact:Linda Zhu
Quick Details
Classification: Vitamins, Amino Acids and Coenzymes
Cas NO.: 83-88-5
Molecular Formula: C17H20N4O6
Melting Point: 290℃
Boiling Point:
Stability: Stable, but light-sensitive. Incompatible with strong oxidizing agents, reducing agents, bases, calcium, metallic salts. May be moisture sensitive.
Water Solubility: 0.07 g/L (20℃)
Refractive index:-135 ° (C=0.5, JP Method)
Flash Point:
Appearance: Yellow to orange/yellow crystalline powd
Brand Name:
EINECS: 201-507-1

Inhibitor of poly(ethylene glycol) oxidation.

Packaging & Delivery
Packaging Detail:
Delivery Detail:
Detailed Description

Commodity Name: Vitamin B2
Chemical Name: 7,8-Dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4(3H,10H)-dione. 
Other Name: Riboflavin
CAS: 83-88-5
M.F.: C17H20N4O6 
M.W.: 376.36
Structural Formula: 
Properties: Yellow or orange-yellow, crystalline powder. Slightly soluble in water, practically insoluble in alcohol.  Solutions deteriorate on exposure to light, especially in the presence of alkali.
Item Index



Specific optical rotation (dried substance)


Loss on drying

≤ 1.5%

Sulphated ash

≤ 0.1%

Uses: Feed additive ,food additive. pharmaceutical USP29/BP2007

Packing: 25kg/fiber drum ,or 25kg/carton,or according to customers'  requirement

Storage: In an airtight container , protected from light.

Period of validity: In an airtight container, Three years

Company Information
Name:Chembal Pharma Limited √ Verified
Category:Corporation/Limited Liability Company
Trade Category: Trading Company√ Verified
Registered Time: 2009 √ Verified
Registered Capital: Below US$100 Thousand
Legal Representative: √ Verified
Employees: 5 - 10 People
Product/Service: pharmaceutical raw materials, intermediates, plant extracts, vitamins

WELCOME TO OUR COMPANY! CHEMBAL PHARMA LIMITED was founded in 2009 with headquarters in Hongkong, China, and regional offices in Shanghai. Our team is available to efficiently meet your worldwide ingredient requirements with the nutraceutical, food and cosmetics industries. CHAMBAL is a well established company with several years supplying experience for nutraceutical ingredients in China. Our raw materials only come from cGMP, ISO compliant and well developed & advanced manufacturers. Our team is focused on supporting your business with an ongoing commitment to best-in-class quality, best price, and on-time delivery. LET US HELP YOU SUCCEED! Not only with the highest quality product at the best price but also our extensive knowledge of the Nutraceutical, Ingredients industry and prov.....more>>

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