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/Organism	Dose	Effect	Reference
inhalation/mouse	lethal concentration (50 percent kill): 26900 µg/m³/2H	Olfaction: 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/m³	Lung, Thorax, or Respiration: Acute pulmonary edema	VRDEA5 (2),101,1969
oral/mouse	lethal dose (50 percent kill): 378 mg/kg		GISAAA 38(1),97,1973
oral/rat	lethal dose (50 percent kill): 754 mg/kg		GISAAA 38(1),97,1973

Other Multiple Dose Data and References

Route/Organism	Dose	Effect	Reference
oral/rat	lowest published toxic dose: 3468 mg/kg/23D- intermittent	Cardiac: Cardiomyopathy including infarction Endocrine: Hyperglycemia Blood: Pigmented or nucleated red blood cells	GISAAA 38(1),97,1973

Reviews

Organization	Standard	Reference
American Conference of Governmental Industrial Hygienists (ACGIH)	Threshold Limit Value-time-weighted average 0.02 mg(Co)/m3	DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)	Threshold Limit Value-time-weighted average 0.1 mg(Co)/m3	DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)	Threshold Limit Value-Confirmed animal carcinogen	DTLVS* TLV/BEI,2013
International Agency for Research on Cancer (IARC)	Cancer Review:Human Inadequate Evidence	IMEMDT 52,363,1991
International Agency for Research on Cancer (IARC)	Cancer Review:Group 2B	IMEMDT 52,363,1991
TOXICOLOGY REVIEW		HBTME* ,511,2007

Standards and Regulations

Organization	Standard	Reference
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIA	time-weighted average 0.1 mg/m³, JUL2008
Occupational Exposure Limit-BELGIUM	time-weighted average 0.1 mg(Co)/m³, MAR2002
Occupational Exposure Limit-DENMARK	time-weighted average 0.1 mg(Co)/m³, carc, MAY2011
Occupational Exposure Limit-FRANCE	VME 0.1 mg/m³, FEB2006
Occupational Exposure Limit-HUNGARY	time-weighted average 0.1 mg(Co)/m³, short term exposure limit 0.4 mg(Co)/m³, SEP2000
Occupational Exposure Limit-ICELAND	time-weighted average 0.1 mg(Co)/m³, NOV2011
Occupational Exposure Limit-JAPAN	Occupational Exposure Limit 0.05 mg(Co)/m³, 2B carc, a1 sen, s2 sen, MAY2012
Occupational Exposure Limit-KOREA	time-weighted average 0.1 mg/m³, 2006
Occupational Exposure Limit-NEW ZEALAND	time-weighted average 0.1 mg(Co)/m³, sen, JAN2002
Occupational Exposure Limit-PERU	time-weighted average 0.1 mg/m³, JUL2005
Occupational Exposure Limit-SWITZERLAND	MAK-week 0.05 mg(Co)/m³, carc 2, inhal, skin, sen, JAN2011
Occupational Exposure Limit-THE NETHERLANDS	MAC-TGG 0.1 mg/m³, 2003
Occupational Exposure Limit-UNITED KINGDOM	time-weighted average 0.1 mg(Co)/m³, sen, OCT2007

NIOSH Documentation and Surveillance

Organization	Standard	Reference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO COBALT CARBONYL-air	10H time-weighted average 0.1 mg/m³	NIOSH* DHHS #95-121,1995

Status in Federal Agencies

Organization	Reference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
OSHA ANALYTICAL METHOD #ID-125G

Page last reviewed: November 16, 2018

Content source: National Institute for Occupational Safety and Health