High Purity Pharmaceutical Raw Material Riboflavin Vitamin B2 CAS 83-88-5 As Food Additives

High Purity Pharmaceutical Raw Material Riboflavin Vitamin B2 CAS 83-88-5 As Food Additives

Basic information


Name: Riboflavin, Vitamin B2
Other name: Lactoflavine; Vitamin B2 (Riboflavine); Riboflavin Vitamin B2; E 101; Riboflavin (1.07609); Riboflavine; Vitamin B2 Feed Grade; Vitamin B_2; Vitamin B2; Riboflavin (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; Riboflavin(VB2)
CAS No.: 83-88-5
EINECS No.: 201-507-1
M.F. : C17H20N4O6
M.W. : 376.3639
Appearance: Orange yellow crystalline powder

Vitamin B2 (Riboflavin)

Vitamin B2, as one of the thirteen necessary vitamins for human body and a member of vitamin B group, is slightly soluble in water.
Uses of Vitamin B2: Being used as nutritional supplement, it is widely used in wheat flour, dairy products and sauce. It also can be used in rice, bread, biscuits, chocolate, catchup and so on. Sometimes it is also used as pigment. As a food additive, Vitamin B2 is an essential food ingredient in our food supply. As a leading food additives and food ingredients supplier in China, we can provide you with high quality Vitamin B2.

Functions of vitamin B2 (Riboflavin):
1. It can accelerate the growth and regeneration of cells.
2. It can accelerate the growth of the skin, nails, the hair.
3. It helps eliminate the inflammation of the mouth, lips and tongue.
4. It can enhance the eyesight and reduce fatigue of the eye.
5. Its interaction with other materials can help the metabolism of carbohydrates, fat and protein.

Vitamin B2 Specifications:


Molecular formula: C17H20N4O6
Molecular weight: 376.37
CAS No.: 83-88-5
Structure Formula:
Appearance Orange yellow crystalline powder
Identification: Positive
Acidity or Alkalinity Check the color of the test solution
After adding the respective solutions
Absorbance 0.31 – 0.33 A375nm/A267nm

0.36 – 0.39 A444nm/A267nm

Partical Size: 100%passes through 60 mesh sieve
Specific Rotation: between-115°and-135°(EP/BP/USP)
Loss on Drying ≤1.5%
Heavy Metals: <10ppm
Residue on Ignition ≤0.03%(USP)
Organic Volatile Impurities: Method IV<467>(USP)
Assay(on dried basis) 98.0% – 102.0%(USP)
97.0% – 10.3.0%(EP/BP)
Packing: 25kg/drum
Complies with BP(V)98
Storage: Keep dry, stable at room temperature.