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Vitamin B2

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  Post Date: Mar 23,2021
  Expiry Date: Sep 19,2021
  Detailed Description: Cas No. :83-88-5;69680-01-9

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.:  C 17 H 20 N 4 O 6  
M.W.:  376.36
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

Contents (ON DRY MATERIAL)

97.0~103.0%

Specific optical rotation (dried substance)

-115~-135°

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


  CAS Registry Number:

83-88-5;69680-01-9

  Synonyms: ;Lactoflavine;E 101;Riboflavin (1.07609);Riboflavine;Vitamin B_2;Vitamin B2;VB2;1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)pentitol;5-deoxy-5-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-D-ribitol;1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-D-ribitol;VITAMIN G;
  Molecular Formula: C17H20N4O6
  Molecular Weight: 376.3639
  Molecular Structure: 83-88-5;69680-01-9 Riboflavin
  Safety Description: S24/25:;

  Company: Shandong luning pharmaceutical co., Ltd.,     [ China ]        
  Contact: Mr.Yang
  Tel: 0086-546-7720105
  Fax: 0086-546-7793666
  Email: 572182191@qq.com
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