Project Description

Chemical NameRiboflavin
CAS No.83-88-5
Molecular Formula:C17H20N4O6
Molecular Weight:376.36
EINECS:201-507-1
Applications: 

Crystalline pigment; principal growth-promoting factor of Vitamin B2 complex (functions as flavor protein in tissue respiration); dietary supplement; medicine; enriched flours; animal feed supplement; color additive in cosmetics, foods, and pharmaceuticals.

Synonyms: 

vitasanb2;xypentyl)-;E 101;Riboflavin (1.07609);Riboflavin Vitamin B2;Vitamin B2 (Riboflavine);RIBOFLAVIN DC GRADE;Riboflavin Bp

Appearance: Powder

Please contact MainChem Co, Ltd. for any questions regarding Riboflavin. We would be happy to provide a quote, a sample, or further information regarding it, Riboflavin MSDS -Material Safety Data Sheet and Riboflavin CAS 83-88-5 COA-Certificate of Analysis, Product Data Sheet – in PDF Document.

China Riboflavin Supplier, Riboflavin Manufacturers, China CAS 83-88-5 Supplier

Melting point290 °C (dec.)(lit.)
alpha-135 º (c=5, 0.05 M NaOH)
Boiling point504.93°C (rough estimate)
density1.2112 (rough estimate)
refractive index-135 ° (C=0.5, JP Method)
Fp9℃
storage temp.2-8°C
solubilityVery slightly soluble in water, practically insoluble in ethanol (96 per cent). Solutions deteriorate on exposure to light, especially in the presence of alkali. It shows polymorphism (5.9).
formPowder
pka1.7(at 25℃)
colorYellow to orange
PH5.5-7.2 (0.07g/l, H2O, 20°C)
Water Solubility0.07 g/L (20 ºC)
SensitiveLight Sensitive
Merck14,8200
BRN97825
Stability:Stable, but light-sensitive. Incompatible with strong oxidizing agents, reducing agents, bases, calcium, metallic salts. May be moisture sensitive.
Symbol(GHS) 

GHS02,GHS06,GHS08
Signal word 
Danger
Hazard statements 
H225-H301+H311+H331-H370
Precautionary statements 
P210-P260-P280-P301+P310-P311
Hazard Codes 
F,T
Risk Statements 
11-23/24/25-39/23/24/25
Safety Statements 
24/25-45-36/37-16
RIDADR 
UN1230 – class 3 – PG 2 – Methanol, solution
WGK Germany 
1
RTECS 
VJ1400000
8-10-21
TSCA 
Yes
HS Code 
29362300
Toxicity
LD50 in rats (g/kg): >10 orally, 5.0 s.c., 0.56 i.p. (Unna, Greslin)
Other ProductsCAS Number
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4,4′-DIMETHYLBENZIL3457-48-5
Naringin dihydrochalcone18916-17-1
POLYACRYLONITRILE SUPPLIERS25014-41-9
METHYL 2-TRIFLUOROMETHYLBENZOYLACETATE212755-77-6
2,5-DIBROMO-3,4-DINITROTHIOPHENE52431-30-8