ETHYL ACETATE†
| CAS # | 141-78-6 |
|---|---|
| Formula |
C₄H₈O₂ |
| Synonyms |
acetic ester; acetic ether; ethyl ester of acetic acid; ethyl ethanoate |
| 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 | |||
| Analyte code (IMIS no.) | 1040 | ||
|---|---|---|---|
| Sampling group | OVSG-1 | ||
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | ||
| Sampling time* |
120 min |
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| Sampling volume (TWA)* |
6 L |
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| Sampling flow rate (TWA)* |
0.05 L/min |
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| Sampling volume (STEL/Peak/C)* |
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| Sampling flow rate (STEL/Peak/C)* |
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| 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. |
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| Special requirements |
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* 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 Sampler/Sampling media |
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|---|---|
| Bulk Method |
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| Device | |||||
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| Model/Type | |||||
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Sampling information (see manufacturer instructions) |
|
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 |
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|---|---|---|---|---|---|---|---|
| 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 |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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| PEL-C |
|
REL-C |
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TLV-C |
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PEL-C |
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| Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
Skin notation |
N |
| Notes: |
Notes:
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Notes:
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Notes:
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| Health factors: See NIH-NLM PubChem. | IDLH |
2000 ppm |
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| Carcinogenic classifications: Not listed |
Notes:
10% of LEL |
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References
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NOAA: CAMEO Chemicals - Ethyl acetate NIOSH: Pocket Guide to Chemical Hazards - Ethyl acetate Literature References
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Last Updated Date : 04/17/2023