ETHYL BROMIDE†
| Chemical Identification | |
|---|---|
| CAS # | 74-96-4 |
| Formula |
C₂H₅Br |
| Synonyms |
bromoethane; monobromoethane |
| Physical Properties | |||
|---|---|---|---|
| Physical description | Colorless to yellow liquid with an ether-like odor. | ||
| Boiling point | 101°F | Molecular weight | 109 |
| Freezing point/melting point | -182°F | Vapor pressure | 375 mmHg |
| Flash point | -10°F | Vapor density | 3.76 |
| Specific gravity | 1.46 | Ionization potential | 10.29 eV |
| Lower explosive limit (LEL) | 6.8% | Upper explosive limit (UEL) | 8.0% |
| NFPA health rating | 3 | 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.) | 1090 | |||||
| Sampling group | ||||||
| Sampler/Sampling media | CSC tube (100/50 mg) [SKC 226-01] | |||||
| Sampling time* | ||||||
| Sampling volume (TWA)* | 0.5-4 L |
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| Sampling flow rate (TWA)* | 0.01-0.2 L/min |
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| Sampling volume (STEL/Peak/C)* |
3 L |
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| Sampling flow rate (STEL/Peak/C)* |
0.2 L/min |
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| Analytical method instruments | GC-FID | |||||
| Method reference | NIOSH 1011 (partially validated) | |||||
| Notes |
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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 Method | |
|---|---|
| Sampler/Sampling media |
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| Bulk Method |
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| On-Site Screening Techniques | ||||||
|---|---|---|---|---|---|---|
| Device | Detector tube | Infrared spectrophotometer | Organic vapor analyzer | |||
| Model/Type | Gastec 136L; 136H; 136L | Miran 1A & 1B | ||||
|
Sampling information (see manufacturer instructions) |
136LA 1-36 ppm; 136H 10-600 ppm; 136L 2.5-200 ppm | 0.8 ppm@8 µm | ||||
| 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 |
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| PEL-TWA |
200 ppm (890 mg/m³) |
REL-TWA |
200 ppm |
TLV-TWA |
5 ppm [1990] |
PEL-TWA |
5 ppm (22 mg/m³) |
| PEL-STEL |
|
REL-STEL |
250 ppm |
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 |
Y |
Skin notation |
Y |
| 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: IARC-3, TLV-A3 |
Notes:
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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 bromide NIOSH: Pocket Guide to Chemical Hazards - Ethyl Bromide Literature References
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Last Updated Date : 12/28/2020