Vitamin B2

Vitamin B2

Product description:

English name: VB2; Riboflavin; 78-Dimethyl-10-ribitylisoalloxazine; Lactoflavine; Vitamin B2
Other names: riboflavin; 78- dimethyl -10- (1'-D- ribosyl) - isoalloxazine; milk flavin; Weimeisu; vitamin B 2
CAS: 83-88-5
C17H20N4O6 = 376.37

Level: BR
Content: ≥98.0%
Specific rotation: -115 ~ -135 °
Photosensitive Flavin: ≤0.025%
Loss on drying: ≤1.5%
Residue on ignition: ≤0.3%
Traits: yellow to orange-yellow crystalline powder Slight special smell, taste bitter crystalline water solubility of three different type of drying is not affect the light scattering, but in alkaline solution easily affect the deterioration of the light in the dark... inorganic acid stable when 278 ~ 282 ℃ decomposition (discoloration at a depth of about 240 ℃) .1G 3000 ~ 15000ml dissolved in water, pH about 6 with a saturated aqueous solution shows yellow and green fluorescence was when 27.5 ℃ in dry ethanol solubility of 0.0045g / 100ml. soluble in dilute alkali (decomposition), slightly soluble in cyclohexanol, amyl acetate, benzyl alcohol and phenol, insoluble in ether, chloroform, acetone and benzene. the maximum absorption wavelength 220 ~ 225226371444475nm . slightly toxic, the median lethal dose (rat, oral)) 10g / kg
Use: Biochemical studies photocatalytic polymerization of acrylamide gel formulation tissue culture medium for bacterial leptospirosis test serum prepared...
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