IRON PENTACARBONYL

Chemical Identification

CAS # 13463-40-6
Formula

C₅FeO₅

Synonyms

iron carbonyl; pentacarbonyl iron

Physical Properties

Physical description Colorless to yellow to dark-red, oily liquid.
Boiling point 217°F at 749 mmHg Molecular weight 195.9
Freezing point/melting point -5.8°F Vapor pressure 40 mmHg at 86.54°F
Flash point 5°F Vapor density 6.74
Specific gravity 1.457 at 69.8°F Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 1 NFPA fire rating 3
NFPA reactivity rating 1 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

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
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.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

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 ppm (0.23 mg/m³)

TLV-TWA

0.1 ppm [1979]

PEL-TWA

0.1 ppm (0.8 mg/m³)

PEL-STEL REL-STEL

0.2 ppm (0.45 mg/m³)

TLV-STEL

0.2 ppm [1979]

PEL-STEL

0.2 ppm (1.6 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

NA

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

Not established

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

Last Updated Date : 12/31/2020