ETHYL FORMATE†

Chemical Identification
Chemical Identification
CAS # 109-94-4
Formula

C₃H₆O₂

Synonyms

ethyl ester of formic acid; ethyl methanoate

Physical Properties
Physical Properties
Physical description Colorless liquid with a fruity odor.
Boiling point 130°F Molecular weight 74.1
Freezing point/melting point -113°F Vapor pressure 200 mmHg
Flash point -4°F Vapor density
Specific gravity 0.92 Ionization potential 10.61 eV
Lower explosive limit (LEL) 2.8% Upper explosive limit (UEL) 16.0%
NFPA health rating 2 NFPA fire rating 3
NFPA reactivity rating 0 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.) 1155
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*
 

0.3-10 L

Sampling flow rate (TWA)*
 

0.01-0.2 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

 

Analytical method instruments GC-FID
Method reference NIOSH 1452 (partially validated)
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.

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
 

100 ppm (300 mg/m³)

REL-TWA
 

100 ppm (300 mg/m³)

TLV-TWA
 

 

PEL-TWA
 

100 ppm (300 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

100 ppm [2011]

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Skin notation
 

N

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

1500 ppm

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 - Ethyl formate

NIOSH: Pocket Guide to Chemical Hazards - Ethyl formate

Literature References

 
  • International Chemical Safety Cards (WHO/IPCS/ILO): Ethyl formate.
  • EPA: Federal Register: Dalapon, Fluchloralin, et al.; Various Tolerance Revocations.
  • Haritos, V.S. and Dojchinov, G.: Cytochrome c oxidase inhibition in the rice weevil Sitophilus oryzae (L.) by formate, the toxic metabolite of volatile alkyl formates. Comp. Biochem. Physiol. C. Toxicol. Pharmacol. 136(2): 135-143, 2003.
  • Keenes, M., et al.: Disinfestation of food processing equipment. Presented at the 12th Annual International Research Conference on Methyl Bromide Alternatives and Emissions Reduction, San Diego, CA, 30 October - 3 November, 2005.
  • Pohanish, R.P. (editor): Ethyl Formate. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1106-1108.

Last Updated Date : 12/28/2020