CAS No.83-88-5,Riboflavin Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	83-88-5
Name:	Riboflavin
Article Data:	91

Formula:	C₁₇H₂₀N₄O₆
Molecular Weight:	376.369
Synonyms:	Vitamin B2-Riboflavin(Vitamin B2)USP/BP/EP;VB2 (Riboflavin);(-)-Riboflavin;1-Deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-D-ribitol;6,7-Dimethyl-9-ribitylisoalloxazine;Beflavin;Beflavine;Benzo[g]pteridine-2,4(3H,10H)-dione,7,8-dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-;C.I. 50900;C.I. FoodYellow 15;D-Ribitol,1-deoxy-1-(3,4-dihydro-7,8-dimethyl-2,4-dioxobenzo[g]pteridin-10(2H)-yl)-;E101;E 101 (dye);Flavaxin;Flavin BB;Flaxain;Food Yellow 15;Hyre;Lactobene;Lactoflavin;Lactoflavine;NCI 0033298;San Yellow B;Vitaflavine;Vitamin G;Vitamin B2;
EINECS:	201-507-1
Density:	1.65 g/cm³
Melting Point:	290 °C (dec.)(lit.)
Boiling Point:	504.93°C (rough estimate)
Flash Point:	9℃
Solubility:	Water solubility: 0.07 g/L (20 °C)
Appearance:	Yellow to orange/yellow crystalline powder
Hazard Symbols:	F,T
Risk Codes:	11-23/24/25-39/23/24/25
Safety:	24/25
PSA:	161.56000
LogP:	-1.67520

Synthetic route

: 67-52-7
BARBITURIC ACID

: 21037-26-3
N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine

: 83-88-5
riboflavin

Conditions

Conditions	Yield
In acetic acid; butan-1-ol for 4h; Heating;	74.2%

: 752-13-6
tetra-O-acetyl riboflavin

: 83-88-5
riboflavin

Conditions

Conditions	Yield
With calcium methylate
With sodium methylate

: 123-91-1
1,4-dioxane

: 67-52-7
BARBITURIC ACID

: 21037-26-3
N-<3,4-dimethyl-6-(phenylazo)phenyl>-D-ribitylamine

: 64-19-7
acetic acid

: 83-88-5
riboflavin

...Expand

: 67-52-7
BARBITURIC ACID

: 123128-64-3
1-(2-biphenyl-2-ylazo-4,5-dimethyl-anilino)-D-1-deoxy-ribitol

: 83-88-5
riboflavin

: 87-39-8
violuric acid

: 3051-94-3
3,4-dimethyl-N-ribitylaniline

: 83-88-5
riboflavin

Conditions

Conditions	Yield
With boric acid
With propionic acid

: 2535-20-8
6,7-dimethyl-8-ribityllumazine

: 431-03-8
dimethylglyoxal

: 83-88-5
riboflavin

: 83959-96-0
4a-Hydroperoxy-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione

: 83-88-5
riboflavin

Conditions

Conditions	Yield
In water Rate constant;

: 132855-95-9
4a-(1-Hydroxy-ethylperoxy)-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione

A: 19393-68-1
1-hydroxyethylhydroperoxide

B: 83-88-5
riboflavin

Conditions

Conditions	Yield
In water Rate constant;

: 132855-96-0
4a-(2-Hydroxy-2-methyl-propylperoxy)-7,8-dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxy-pentyl)-5,10-dihydro-4aH-benzo[g]pteridine-2,4-dione

A: 69515-12-4
peroxy-t-butanol

B: 83-88-5
riboflavin

Conditions

Conditions	Yield
In water Rate constant;

: 114590-52-2
lampteroflavin

: 83-88-5
riboflavin

Conditions

Conditions	Yield
With hydrogenchloride at 60℃; for 1.33333h;

Raw Materials

699-40-1

511-67-1

110-19-0

Downstream Products

64-18-6

53-84-9

752-56-7

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History

Riboflavin (CAS NO.83-88-5) was originally considered to have two components, a heat-labile vitamin B₁ and a heat-stable vitamin B₂ . In the 1920s, it was thought to be the factor necessary for preventing pellagra. Paul Gyorgi in Heidelberg was investigating egg white injury in rats in 1923, the curative factor for this condition was called vitamin H. Since both pellagra and vitamin H deficiency were associated with dermatitis, Gyorgi decided to test the effect of vitamin B₂ on vitamin H deficiency in rat. In 1933, Kuhn, Gyorgy, and Wagner found that thiamin-free extracts of yeast, liver, or rice bran prevented the growth failure of rats fed a thiamin supplemented diet. This observation enabled them to develop a rapid chemical and bioassay to isolate the factor from egg white in 1933, they called it Ovoflavin.

Specification

The Riboflavin, with the CAS registry number 83-88-5, is also known as 7,8-Dimethyl-10-ribitylisoalloxazine; Lactoflavine; Vitamin B2.It belongs to the product categories of Vitamin Ingredients;Miscellaneous Compounds;Chiral Reagents;Heterocycles;Intermediates & Fine Chemicals. Its EINECS number is 201-507-1.This chemical's molecular formula is C₁₇H₂₀N₄O₆ and molecular weight is 376.37. What's more,Its systematic name is Riboflavin. It is nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables. The richest natural source is yeast. It occurs in the free form only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as flavin mononucleotide and flavin-adenine dinucleotide. And it is Stable, but light-sensitive. Incompatible with strong oxidizing agents, reducing agents, bases, calcium, metallic salts. May be moisture sensitive.when you use it, avoid contact with skin and eyes.

Physical properties about Riboflavin are:(1)ACD/LogP: 0.095; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 0.10; (4)ACD/LogD (pH 7.4): 0.09; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 26.82; (8)ACD/KOC (pH 7.4): 26.74; (9)#H bond acceptors: 10; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 9; (12)Index of Refraction: 1.733; (13)Molar Refractivity: 91.104 cm³; (14)Molar Volume: 227.51 cm³; (15)Surface Tension: 70.2760009765625 dyne/cm; (16)Density: 1.654 g/cm³;

You can still convert the following datas into molecular structure:
(1)SMILES:O=C2/N=C\1/N(c3cc(c(cc3/N=C/1C(=O)N2)C)C)C[C@H](O)[C@H](O)[C@H](O)CO;
(2)Std. InChI:InChI=1S/C17H20N4O6/c1-7-3-9-10(4-8(7)2)21(5-11(23)14(25)12(24)6-22)15-13(18-9)16(26)20-17(27)19-15/h3-4,11-12,14,22-25H,5-6H2,1-2H3,(H,20,26,27)/t11-,12+,14-/m0/s1;
(3)Std. InChIKey:AUNGANRZJHBGPY-SCRDCRAPSA-NC;

The toxicity data of Riboflavin as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LD	oral	> 2gm/kg (2000mg/kg)		Journal of Pharmacology and Experimental Therapeutics. Vol. 76, Pg. 75, 1942.
rat	LD50	intraperitoneal	560mg/kg (560mg/kg)	KIDNEY, URETER, AND BLADDER: URINE VOLUME DECREASED BEHAVIORAL: FOOD INTAKE (ANIMAL)	Journal of Pharmacology and Experimental Therapeutics. Vol. 76, Pg. 75, 1942.
rat	LD50	intravenous	50mg/kg (50mg/kg)		FAO Nutrition Meetings Report Series. Vol. 46A, Pg. 20, 1969.
rat	LD50	oral	> 10gm/kg (10000mg/kg)		Journal of Pharmacology and Experimental Therapeutics. Vol. 76, Pg. 75, 1942.
rat	LD50	subcutaneous	5gm/kg (5000mg/kg)		Journal of Pharmacology and Experimental Therapeutics. Vol. 76, Pg. 75, 1942.

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