# 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
Exposure Limits | 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 Oxygen
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
See also: INTRODUCTION