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68-19-9

Basic Information
CAS No.: 68-19-9
Name: Cyanocobalamin
Molecular Structure:
Molecular Structure of 68-19-9 (Cyanocobalamin)
Formula: C63H88CoN14O14P
Molecular Weight: 1355.38 .
Synonyms: Rubramin PC;Dodex;Betaline-12;Cotel;Byladoce;Depinar;Anacobin;Betalin 12, crystalline;Cyanobalamin concentrate;Plecyamin;Cabadon M;Cycobemin;Distivit (B12 peptide);Dodecabee;Embiol;Cyanocob(III)alamin;Crystimin;component of Endoglobin;Rubripca;Redisol;Cynobal;Dicopac;Cyanocobalamin (JP14/USP);Hemomin;Cytacon;Virubra;Erythrotin;CN-Cbl;5, 6-Dimethylbenzimidazolylcobamide cyanide;Factor II (vitamin);component of Vitron-C-Plus;Vitral;Cyredin;Prestwick_564;Cobalamin, cyanide;Coobalamed;CN-B12;Cytamen;Crystwel;Hepagon;Cykobemin;Euhaemon;Nagravon;Dodecavite;Vitarubin;Crystamine;Covit;Vitamin B12b;Cyomin;Cosmo-Rey;Cobione;Docemine;Redamina;SRI 2215;Cobinamide, cyanide hydroxide, dihydrogen phosphate;Vita-rubra;Cobadoce Forte;Poyamin;Fresmin;Factor II (vitamin B12);Erycytol;Bevidox;Hemo-b-doze;Cobamin;Normocytin;Biocobalamine;vitamin B-12;Dimethylbenzimidazoylcobamide;Hepcovite;Cobamide, .alpha.-5,6-dimethyl-1H-benzimidazolyl-, cyanide;B-Twelv-Ora;VB12;Vitamin B 12;Cobalin;Vitamin B12 preparation;Vibalt;Macrabin;Rebramin;cyano-5,6-dimethylbenzimidazole-;Vi-Twel;Rhodacryst;Cobalamin, cyano-;Cyomin (TN);Cyanocobalamine;LLD factor;Lactobacillus lactis dorner factor;Cykobeminet;Bevidox concentrate;Rubramin;Docigram;Dobetin;Betolvex;Vitamin B12 complex;Pernaevit;Factor II;Cyanocobalamin (Vitamin B12);
EINECS: 200-680-0
Density:
Melting Point: >300 °C
Boiling Point: >300 °C
Flash Point: 9℃
Solubility: soluble in water
Appearance: Crystalline
Hazard Symbols:
Risk Codes:
Safety: 22-24/25
Transport Information:
PSA: 459.72000
LogP: 5.61808
Downstream Products
13422-55-4
75-18-3
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Chemistry

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

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.

Consensus Reports

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

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 POx and NOx. 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

Standards and Recommendations

NIOSH REL: (Cobalt) Insufficient evidence for recommending limit

Specification

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