1. OSHA Occupational Chemical Database
  2. MANGANESE CYCLOPENTADIENYL TRICARBONYL (as Mn)
Label abbreviations descriptions

MANGANESE CYCLOPENTADIENYL TRICARBONYL (as Mn)†

Chemical Identification
Chemical Identification
CAS # 12079-65-1
Formula

C₅H₅Mn(CO)₃
Synonyms

cyclopentadienylmanganese tricarbonyl; cyclopentadienyl tricarbonyl manganese; MCT
Physical Properties
Physical Properties
Physical description Yellow, crystalline solid with a characteristic odor.
Boiling point sublimes Molecular weight 204.1
Freezing point/melting point 167°F (sublimes) Vapor pressure
Flash point Vapor density
Specific gravity Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.)
Sampling group
Sampler/Sampling media
Sampling time*
Sampling volume (TWA)*
Sampling flow rate (TWA)*
Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments
Method reference
Notes

See MANGANESE, COMPOUNDS & FUME (as Mn)
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Wipe Method
Sampler/Sampling media
Bulk Method
Bulk Method
 

 
On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)
Exposure Limits
Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA
 

 

 REL-TWA
 

0.1 mg/m³

 TLV-TWA
 

0.1 mg/m³ [1992]

 PEL-TWA
 

0.1 mg/m³
PEL-STEL
 

 

 REL-STEL
 

 

 TLV-STEL
 

 

 PEL-STEL
 

 
PEL-C
 

5 mg/m³

 REL-C
 

 

 TLV-C
 

 

 PEL-C
 

 
Skin notation
 

N

 Skin notation
 

Y

 Skin notation
 

Y

 Skin notation
 

Y
Notes:
 

See 29 CFR 1910.1000 Table Z-1.

 Notes:
 

 

 Notes:
 

 

 Notes:
 

 
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed Notes:
 

 
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Manganese cyclopentadienyl tricarbonyl

NIOSH: Pocket Guide to Chemical Hazards - Manganese cyclopentadienyl tricarbonyl (as Mn)

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Manganese cyclopentadienyl tricarbonyl [12079-65-1], as Mn. See annual publication for most recent information.

Last Updated Date : 01/04/2021