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Basic Information
CAS No.: 8050-67-7
Name: Vitamin D3
Molecular Structure:
Molecular Structure of 8050-67-7 (Vitamin D3)
Formula: N/A
Molecular Weight: 0
Synonyms: (1S,3Z)-3-[(2E)-2-[(1R,3aR,7aS)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidene-cyclohexan-1-ol;7-Dehydrocholesterol, irradiated;9,10-Secocholestra-5,7,10(19)-trien-3-ol, (3beta,5Z,7E)-
EINECS: 200-673-2
Density: 0.96g/cm3
Melting Point: 82-87℃
Boiling Point: 496.4°C at 760 mmHg
Flash Point: 214.3°C
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Chemistry

IUPAC Name: (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
Synonyms of Cholecalciferol (CAS NO.8050-67-7): 9,10-Secocholesta-5,7,10(19)-trien-3-ol, (3beta,5Z,7E)- ; Cyclohexanol, 3-((2E)-2-((1R,3aS,7aR)-1-((1R)-1,5-dimethylhexyl)octahydro-7a-methyl-4H-inden-4-ylidene)ethylidene)-4-methylene-, (1S,3Z)- ; Vitamin D3  ; 9,10-Seco(5Z,7E)-5,7,10(19)-cholestatrien-3-ol
CAS NO: 67-97-0
Classification Code: Bone Density Conservation Agents ; Growth Substances ; Human Data ; Micronutrients ; Reproductive Effect ; Rodenticide ; Vitamin [antirachitic] ; Vitamins
Molecular Formula: C27H44O
Molecular Weight: 384.6377
Molecular Structure:

Polar Surface Area: 9.23 Å2
Index of Refraction: 1.523
Molar Refractivity: 121.27 cm3
Molar Volume: 396.9 cm3
Surface Tension: 37 dyne/cm
Density: 0.96 g/cm3
Flash Point: 214.3 °C
Enthalpy of Vaporization: 88.02 kJ/mol
Boiling Point: 496.4 °C at 760 mmHg
Vapour Pressure: 6.16E-12 mmHg at 25°C

Uses

 Cholecalciferol (CAS NO.8050-67-7) is mediates intestinal calcium absorbtion, bone calcium metabolism and probably, muscle activity. Occurs in and is isolated from fish liver oils.  It acts through a receptor that is a member of the ligand-dependent transcription.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD50 oral 80mg/kg (80mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

GASTROINTESTINAL: OTHER CHANGES		 Journal of the American Veterinary Medical Association. Vol. 193, Pg. 211, 1988.
duck LD50 oral > 2gm/kg (2000mg/kg)   Veterinary and Human Toxicology. Vol. 41, Pg. 344, 1999.
infant TDLo oral 39mg/kg/34W-I (39mg/kg) BEHAVIORAL: ANOREXIA (HUMAN

BEHAVIORAL: IRRITABILITY

GASTROINTESTINAL: DECREASED MOTILITY OR CONSTIPATION		 British Medical Journal. Vol. 295, Pg. 1173, 1987.
mouse LD50 intraperitoneal 136mg/kg (136mg/kg)   Veterinary and Human Toxicology. Vol. 31, Pg. 105, 1989.
mouse LD50 oral 42500ug/kg (42.5mg/kg)   Defense des Vegetaux. Vol. 43(255-256), Pg. 14, 1989.
rat LD50 oral 42mg/kg (42mg/kg)   Toxicology and Applied Pharmacology. Vol. 43, Pg. 125, 1978.

Safety Profile

Hazard Codes of Cholecalciferol (CAS NO.8050-67-7): VeryT+ToxicT
Risk Statements: 26-48-23/24/25 
R26: Very toxic by inhalation. 
R48: Danger of serious damage to health by prolonged exposure. 
R23/24/25: Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements: 28-45-36/37/39 
S28: After contact with skin, wash immediately with plenty of soap-suds. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 2811 6.1/PG 2
WGK Germany: 2
RTECS: VS2900000
F: 8-10-23
HazardClass: 6.1
PackingGroup: II
HS Code: 29130000
HS Code: 29362990