NIOSH Pocket Guide to Chemical Hazards

Manganese cyclopentadienyl tricarbonyl (as Mn) CAS 12079-65-1
C5H5Mn(CO)3 RTECS OO9720000
Synonyms & Trade Names
Cyclopentadienylmanganese tricarbonyl, Cyclopentadienyl tricarbonyl manganese, MCT
DOT ID & Guide
NIOSH REL: TWA 0.1 mg/m3 [skin]
OSHA PEL†: C 5 mg/m3
IDLH N.D. Conversion
Physical Description
Yellow, crystalline solid with a characteristic odor. [Note: An antiknock additive for gasoline. May be found in an oil & gaseous solution.]
MW: 204.1
BP: Sublimes
MLT: 167°F (Sublimes)
Sol: Slight
VP: ?
IP: ?

Sp.Gr: ?
Fl.P: ?
UEL: ?
LEL: ?

Combustible Solid
Incompatibilities & Reactivities
Measurement Methods
None available
Personal Protection & Sanitation
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms In animals: irritation skin; pulmonary edema; convulsions; central nervous system, respiratory system, kidney changes; decreased resistance to infection
Target Organs Skin, respiratory system, central nervous system, kidneys