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Name Cyanocobalamin
EINECS200-680-0
CAS No. 68-19-9
DensityN/A
PSA459.72000
LogP5.61808
Solubilitysoluble in water
Melting Point>300 °C
FormulaC₆₃H₈₈CoN₁₄O₁₄P
Boiling Point>300 °C
Molecular Weight1355.44
Flash Point9℃
Transport InformationN/A
AppearanceCrystalline
Safety22-24/25
Risk CodesN/A
Molecular Structure
Hazard SymbolsN/A
SynonymsN/A

Cyanocobalamin Chemical Properties

Molecular Structure of Cyanocobalamin (CAS NO.68-19-9):

Molecular Formula: C₆₃H₈₈CoN₁₄O₁₄P
Molecular Weight: 1355.3652
IUPAC Name: Cobalt(2+); formonitrile; 3-[2,7,18-tris(2-amino-2-oxoethyl)-17-[3-[2-[[5-(5,6-dimethyl-3H-benzimidazol-1-ium-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl]oxy-hydroxyphosphoryl]oxypropylamino]-3-oxopropyl]-3,13-bis(3-imino-3-oxidopropyl)-1,2,5,7,12,12,15,17-octamethyl-3,8,13,18,19,22-hexahydrocorrin-8-yl]propanimidate
Synonyms of Cyanocobalamin (CAS NO.68-19-9): Cyanocobalamin [INN:BAN:JAN] ; Vitamin B12 ; CaloMist ; Chromagen ; Geriplex ; Tolfrinic ; Troph-Iron ; Trophite ; Trophite + Iron
CAS NO: 68-19-9
Classification Code: Drug / Therapeutic Agent ; Growth Substances ; Micronutrients ; Mutation data ; Reproductive Effect ; Vitamin B Complex ; Vitamin [hematopoietic] ; Vitamins
Melting point: >300°C
H bond acceptors: 28
H bond donors: 16
Freely Rotating Bonds: 29
Polar Surface Area: 487.66 Å²

Cyanocobalamin Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD	oral	> 5gm/kg (5000mg/kg)		Arzneimittel-Forschung. Drug Research. Vol. 42, Pg. 114, 1992.
mouse	LD50	intravenous	2gm/kg (2000mg/kg)		Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 9, Pg. 759, 1967.
mouse	LDLo	intraperitoneal	1364ug/kg (1.364mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT	Archives of Pathology. Vol. 49, Pg. 278, 1950.
mouse	LDLo	subcutaneous	2727ug/kg (2.727mg/kg)	LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA BLOOD: OTHER CHANGES	Archives of Pathology. Vol. 49, Pg. 278, 1950.

Cyanocobalamin Consensus Reports

Cobalt and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Cyanocobalamin Safety Profile

Poison by subcutaneous route. Moderately toxic by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits very toxic fumes of PO_x and NO_x. See also COBALT COMPOUNDS.
Safety Statements of Cyanocobalamin (CAS NO.68-19-9): 22-24/25
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 1
RTECS: GG3750000
F: 3-8-10

Cyanocobalamin Standards and Recommendations

NIOSH REL: (Cobalt) Insufficient evidence for recommending limit

Cyanocobalamin Specification

Cyanocobalamin , its cas register number is 68-19-9. It also can be called Cyano-5,6-dimethylbenzimidazole-cobalamin ; and Vitamin B12 .

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