Ethyl bromide
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CAS
74-96-4
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CH3CH2Br
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RTECS
KH6475000
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Synonyms & Trade Names
Bromoethane, Monobromoethane
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DOT ID & Guide
1891 / 131
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Exposure
Limits
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NIOSH REL: See Appendix D
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OSHA PEL†: TWA 200 ppm (890 mg/m3)
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IDLH
2000 ppm
See: 74964
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Conversion
1 ppm = 4.46 mg/m3
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Physical Description
Colorless to yellow liquid with an ether-like odor. [Note: A gas above 101°F.]
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MW: 109.0
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BP: 101°F
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FRZ: -182°F
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Sol: 0.9%
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VP: 375 mmHg
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IP: 10.29 eV
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Sp.Gr: 1.46
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Fl.P: <4°F
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UEL: 8.0%
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LEL: 6.8%
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Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
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Incompatibilities & Reactivities
Chemically-active metals such as sodium, potassium, calcium, powdered aluminum, zinc & magnesium
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Measurement Methods
NIOSH 1011; OSHA 7
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
OSHA
Up to 2000 ppm:
(APF = 10) Any supplied-air respirator
(APF = 50) Any self-contained breathing apparatus with a full facepiece
Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, respiratory system; central nervous system depression; pulmonary edema; liver, kidney disease; cardiac arrhythmias, cardiac arrest
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Target Organs
Eyes, skin, respiratory system, liver, kidneys, cardiovascular system, central nervous system
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