ETHYL BROMIDE†
Chemical Identification | |
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CAS # | 74-96-4 |
Formula |
C₂H₅Br |
Synonyms |
bromoethane; monobromoethane |
Physical Properties | |||
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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 | ||||||
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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 | |
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Sampler/Sampling media |
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Bulk Method |
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On-Site Screening Techniques | ||||||
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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 | |||||||
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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 |
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REL-STEL |
250 ppm |
TLV-STEL |
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PEL-STEL |
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PEL-C |
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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