NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

Iron pentacarbonyl (as Fe)

CAS
13463-40-6

Fe(CO)5

RTECS
NO4900000
Synonyms & Trade Names

Iron carbonyl, Pentacarbonyl iron
DOT ID & Guide
1994 / 131

Exposure
Limits

NIOSH REL: TWA 0.1 ppm (0.23 mg/m3) ST 0.2 ppm (0.45 mg/m3)
OSHA PEL: none
IDLH
N.D. See: IDLH INDEX
Conversion
1 ppm = 2.28 mg/m3 (as Fe)
Physical Description
Colorless to yellow to dark-red, oily liquid.
MW: 195.9
BP(749 mmHg): 217°F
FRZ: -6°F
Sol: Insoluble
VP(87°F): 40 mmHg
IP: ?

Sp.Gr: 1.46-1.52
Fl.P: 5°F
UEL: ?
LEL: ?

Class IB Flammable Liquid: Fl.P. below 73F and BP at or above 100F.
Incompatibilities & Reactivities

Oxidizers, nitrogen oxide, (zinc + cobalt halides) [Note: Pyrophoric (i.e., ignites spontaneously in air). Decomposed by light or air, releasing carbon monoxide.]
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
Provide: Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, mucous membrane, respiratory system; headache, dizziness, nausea, vomiting; fever, cyanosis, cough, dyspnea (breathing difficulty); liver, kidney, lung injury; degenerative changes in central nervous system
Target Organs
Eyes, respiratory system, central nervous system, liver, kidneys
See also: INTRODUCTION   See ICSC CARD: 0168