Riboflavin

Superiority:

Product Name:    Riboflavin

CAS:    83-88-5
MF:    C17H20N4O6
MW:    376.36
EINECS:    201-507-1

Mol File:    83-88-5.mol
Riboflavin Structure
Riboflavin Chemical Properties
Melting point     290 °C (dec.)(lit.)
alpha     -135 º (c=5, 0.05 M NaOH)
Boiling point     504.93°C (rough estimate)
density     1.2112 (rough estimate)
refractive index     -135 ° (C=0.5, JP Method)
Fp     9℃
storage temp.     2-8°C
solubility     Very 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).
pka    1.7(at 25℃)
form     Powder
color     Yellow to orange
Odor    Slight odour
PH    5.5-7.2 (0.07g/l, H2O, 20°C)
PH Range    6
Water Solubility     0.07 g/L (20 ºC)
Sensitive     Light Sensitive
Merck     14,8200
BRN     97825
Stability:    Stable, but light-sensitive. Incompatible with strong oxidizing agents, reducing agents, bases, calcium, metallic salts. May be moisture sensitive.
InChIKey    AUNGANRZJHBGPY-SCRDCRAPSA-N
CAS DataBase Reference    83-88-5(CAS DataBase Reference)
NIST Chemistry Reference    Riboflavine(83-88-5)
EPA Substance Registry System    Riboflavin (83-88-5)
Safety Information
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
F     8-10-21
TSCA     Yes
HS Code     29362300
Hazardous Substances Data    83-88-5(Hazardous Substances Data)
Toxicity    LD50 in rats (g/kg): >10 orally, 5.0 s.c., 0.56 i.p. (Unna, Greslin)