ETHYL FORMATE†

Chemical Identification

CAS # 109-94-4
Formula

C₃H₆O₂

Synonyms

ethyl ester of formic acid; ethyl methanoate

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

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.

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

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

Last Updated Date : 12/28/2020