ETHYL ACETATE†

Chemical Identification
CAS # 141-78-6
Formula

C₄H₈O₂

Synonyms
 

acetic ester; acetic ether; ethyl ester of acetic acid; ethyl ethanoate

Physical Properties
Physical description Colorless liquid with an ether-like, fruity odor.
Boiling point 171°F Molecular weight 88.1
Freezing point/melting point 117°F Vapor pressure 73 mmHg
Flash point 24°F Vapor density 3.04
Specific gravity 0.9 Ionization potential 10.01 eV
Lower explosive limit (LEL) 2% Upper explosive limit (UEL) 11.5%
NFPA health rating 1 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.) 1040
Sampling group OVSG-1
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
 

120 min

Sampling volume (TWA)*
 

6 L

Sampling flow rate (TWA)*
 

0.05 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

 

Analytical method instruments GC-FID
Method reference OSHA 5000 (fully validated)
Notes

Samples must be refrigerated for shipment and sent to the laboratory overnight. It is recommended that CSHOs contact the duty officer (801-233-5001) and alert them that samples will be received. Toluene, sec-Butyl Acetate, Benzene and Isobutyl Alcohol all have/are known interferences. Please indicate on the 91A which of these compounds are known to be present.

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
Sampler/Sampling media
 

 

Bulk Method
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
 

400 ppm (1400 mg/m³)

REL-TWA
 

400 ppm (1400 mg/m³)

TLV-TWA
 

400 ppm [1979]

PEL-TWA
 

400 ppm (1400 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

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
 

2000 ppm

Carcinogenic classifications: Not listed Notes:
 

10% of LEL

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Last Updated Date : 04/17/2023