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Substance Name: Cobalt
RN: 7440-48-4
UNII: 3G0H8C9362
InChIKey: GUTLYIVDDKVIGB-UHFFFAOYSA-N

Note

  • A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.

Molecular Formula

  • Co

Molecular Weight

  • 58.933
 

Classification Codes

Classification Codes

  • Growth Substances
  • Micronutrients
  • Mutation Data
  • Trace Elements
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 49
  • 2011 CERCLA Priority List, Rank: 52
  • TWA 0.02 mg/m3; Confirmed animal carcinogen with unknown relevance to humans; BEI
  • TWA 0.1 mg/m3 as Co

Names and Synonyms

Name of Substance

  • Cobalt

MeSH Heading

  • Cobalt

Synonyms

  • Aquacat
  • C.I. 77320
  • CCRIS 1575
  • CI 77320
  • Cobalt
  • Cobalt-59
  • EC 231-158-0
  • EINECS 231-158-0
  • HSDB 519
  • Kobalt
  • Kobalt [German, Polish]
  • NCI-C60311
  • Super cobalt
  • UNII-3G0H8C9362

Systematic Name

  • Cobalt

Superlist Names

  • Cobalt
  • Cobalt and inorganic compounds
  • Cobalt fume
  • Cobalt metal powder
  • Cobalt metal, dust and fume
  • Cobalt, elemental

Registry Numbers

CAS Registry Number

  • 7440-48-4

FDA UNII

  • 3G0H8C9362

Other Registry Numbers

  • 1245817-40-6
  • 1262528-32-4
  • 132965-60-7
  • 177256-35-8
  • 184637-91-0
  • 195161-79-6
  • 335349-43-4

System Generated Number

  • 0007440484

Structure Descriptors

InChI

1S/Co

InChIKey

GUTLYIVDDKVIGB-UHFFFAOYSA-N

Smiles

[Co]=[Co]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo intraperitoneal 100mg/kg (100mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
rabbit LDLo intravenous 100mg/kg (100mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
rabbit LDLo oral 750mg/kg (750mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Archives Internationales de Pharmacodynamie et de Therapie. Vol. 62, Pg. 347, 1939.
rat LD50 intraperitoneal 100mg/kg (100mg/kg) LIVER: OTHER CHANGES

VASCULAR: REGIONAL OR GENERAL ARTERIOLAR OR VENOUS DILATION

BLOOD: OTHER CHANGES
Industrial Medicine. Vol. 15, Pg. 482, 1946.
rat LD50 oral 6171mg/kg (6171mg/kg) BEHAVIORAL: ATAXIA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 686, 1992.
rat LDLo intratracheal 25mg/kg (25mg/kg)   National Technical Information Service. Vol. AEC-TR-6710,
rat LDLo intravenous 100mg/kg (100mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 1493 deg C   EXP
Boiling Point 3100 deg C   EXP
log P (octanol-water) 0.230 (none)   EST
Water Solubility 8.75E+04 mg/L 25 EST
Vapor Pressure 4.24E-09 mm Hg 25 EST
Atmospheric OH Rate Constant 0.0 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.