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Registry of Toxic Effects of Chemical Substances (RTECS)

Manganese, cyclopentadienyltricarbonyl

RTECS #

OO9720000

CAS #

12079-65-1

Updated

September 201

Molecular Weight

204.07

Molecular Formula

C8H5MnO3

Synonyms

Cyclopentadienylmanganese tricarbonyl
Cyklopentadientrikarbonylmanganium (Czech)
Cymantrene
Manganese cyclopentadienyl tricarbonyl (ACGIH)
Manganese, tricarbonyl-pi-cyclopentadienyl-

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/rat Lowest published lethal concentration: 120 mg/m3/2HVascular: BP lowering not characterized in autonomic section

Blood: Hemorrhage

Lung, Thorax, or Respiration: Other changes		HYSAAV 30(4-6),40,1965
intraperitoneal/rat lethal dose (50 percent kill): 14 mg/kgBehavioral: Convulsions or effect on seizure threshold

Lung, Thorax, or Respiration: Chronic pulmonary edema or congestion

Lung, Thorax, or Respiration: Dyspnea		TXCYAC 34,341,1985
intravenous/mouse lethal dose (50 percent kill): 710 µg/kgCSLNX* NX#11285
oral/mouse lethal dose (50 percent kill): 150 mg/kgBrain and Coverings: Changes in circulation

Autonomic Nervous System: Other (direct) parasympathomimetic

Behavioral: Convulsions or effect on seizure threshold		GISAAA 28(4),29,1963
oral/rat lethal dose (50 percent kill): 22 mg/kgTXCYAC 34,341,1985

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/mouse lowest published toxic dose: 425 mg/kg/20D- intermittentRelated to Chronic Data: Death in the "MULTIPLE DOSE" data type fieldGISAAA 28(4),29,1963
oral/rat lowest published toxic dose: 335 mg/kg/9W- intermittentBrain and Coverings: Other degenerative changes

Blood: Other changes

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field		GISAAA 28(4),29,1963

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 0.1 mg(Mn)/m3 (skin)DTLVS* TLV/BEI,2013
TOXICOLOGY REVIEWAMRL** TR-73-125,1973
TOXICOLOGY REVIEW85DHAX Mn,126,1973
TOXICOLOGY REVIEWCREOH* 42,25,2002

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(Mn)/m3, JUL2008
Occupational Exposure Limit-AUSTRALIAtime-weighted average 1 mg(Mn)/m3 (dust), JUL2008
Occupational Exposure Limit-AUSTRALIAtime-weighted average 1 mg(Mn)/m3, short term exposure limit 3 mg(Mn)/m3 (fume), JUL2008
Occupational Exposure Limit-AUSTRIAMAK-TMW 0.1 mg/m3;KZW 0.3 mg/m3, skin, 2007
Occupational Exposure Limit-BELGIUMtime-weighted average 0.1 mg/m3, Skin, MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 0.1 mg(Mn)/m3, skin, MAY2011
Occupational Exposure Limit-FINLANDtime-weighted average 0.1 mg/m3, short term exposure limit 0.3 mg/m3, skin, NOV2011
Occupational Exposure Limit-FRANCEVME 0.1 mg(Mn)/m3, Skin, FEB2006
Occupational Exposure Limit-ICELANDtime-weighted average 0.1 mg(Mn)/m3, skin, NOV2011
Occupational Exposure Limit-KOREAtime-weighted average 0.1 mg/m3, skin, 2006
Occupational Exposure Limit-MEXICOtime-weighted average 0.2 mg(Mn)/m3;short term exposure limit 3 mg(Mn)/m3, 2004
Occupational Exposure Limit-MEXICOtime-weighted average 1 mg(Mn)/m3 (fume), 2004
Occupational Exposure Limit-MEXICOtime-weighted average 0.1 mg/m3 (skin), 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 0.1 mg/m3, skin, JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 0.1 mg(Mn)/m3, JAN1999
Occupational Exposure Limit-PERUtime-weighted average 0,1 mg/m3, JUL2005
Occupational Exposure Limit-RUSSIAshort term exposure limit 0.1 mg/m3, JUN2003
Occupational Exposure Limit-SWITZERLANDMAK-week 0.1 ppm, skin, JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 0.1 mg/m3, Skin, 2003
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)ceiling concentration 5 mg/m3CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO THE CHEMICAL (as Mn)-air10H time-weighted average 0.1 mg/m3 (Sk)NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974Hazard Code M0804; Number of Industries 1; Total Number of Facilities 11; Number of Occupations 1; Total Number of Employees Exposed 34

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY

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