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Cobalt, di-mu-carbonylhexacarbonyldi-, (Co-Co)

RTECS #
GG0300000
CAS #
10210-68-1; 90043-99-5
See: NMAM or OSHA Methods
Updated
September 2013
Molecular Weight
341.94
Molecular Formula
C8Co2O8
Synonyms
Cobalt carbonyl
Cobalt carbonyl (ACGIH)
Cobalt octacarbonyl
Cobalt tetracarbonyl
Cobalt tetracarbonyl dimer
Dicobalt carbonyl
Dicobalt octacarbonyl
Di-mu-carbonylhexacarbonyldicobalt
Octacarbonyldicobalt

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/mouse lethal concentration (50 percent kill): 26900 µg/m3/2HOlfaction: Other olfaction effects

Eye: Other eye effects

Lung, Thorax, or Respiration: Dyspnea
VRDEA5 (2),101,1969
inhalation/rat lethal concentration (50 percent kill): 165 mg/m3Lung, Thorax, or Respiration: Acute pulmonary edemaVRDEA5 (2),101,1969
oral/mouse lethal dose (50 percent kill): 378 mg/kgGISAAA 38(1),97,1973
oral/rat lethal dose (50 percent kill): 754 mg/kgGISAAA 38(1),97,1973

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published toxic dose: 3468 mg/kg/23D- intermittentCardiac: Cardiomyopathy including infarction

Endocrine: Hyperglycemia

Blood: Pigmented or nucleated red blood cells
GISAAA 38(1),97,1973

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 0.02 mg(Co)/m3DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 0.1 mg(Co)/m3DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-Confirmed animal carcinogenDTLVS* TLV/BEI,2013
International Agency for Research on Cancer (IARC)Cancer Review:Human Inadequate EvidenceIMEMDT 52,363,1991
International Agency for Research on Cancer (IARC)Cancer Review:Group 2BIMEMDT 52,363,1991
TOXICOLOGY REVIEWHBTME* ,511,2007

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIAtime-weighted average 0.1 mg/m3, JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 0.1 mg(Co)/m3, MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 0.1 mg(Co)/m3, carc, MAY2011
Occupational Exposure Limit-FRANCEVME 0.1 mg/m3, FEB2006
Occupational Exposure Limit-HUNGARYtime-weighted average 0.1 mg(Co)/m3, short term exposure limit 0.4 mg(Co)/m3, SEP2000
Occupational Exposure Limit-ICELANDtime-weighted average 0.1 mg(Co)/m3, NOV2011
Occupational Exposure Limit-JAPANOccupational Exposure Limit 0.05 mg(Co)/m3, 2B carc, a1 sen, s2 sen, MAY2012
Occupational Exposure Limit-KOREAtime-weighted average 0.1 mg/m3, 2006
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 0.1 mg(Co)/m3, sen, JAN2002
Occupational Exposure Limit-PERUtime-weighted average 0.1 mg/m3, JUL2005
Occupational Exposure Limit-SWITZERLANDMAK-week 0.05 mg(Co)/m3, carc 2, inhal, skin, sen, JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 0.1 mg/m3, 2003
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 0.1 mg(Co)/m3, sen, OCT2007

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO COBALT CARBONYL-air10H time-weighted average 0.1 mg/m3NIOSH* DHHS #95-121,1995

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
OSHA ANALYTICAL METHOD #ID-125G
Page last reviewed: November 16, 2018