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Ethyl bromide

Synonyms & Trade Names
Bromoethane, Monobromoethane
CAS No.
74-96-4
RTECS No.
KH6475000
DOT ID & Guide
1891 131
Formula
CH3CH2Br
Conversion
1 ppm = 4.46 mg/m3
IDLH
2000 ppm
See: 74964
Exposure Limits
NIOSH REL
: See Appendix D
OSHA PEL
†: TWA 200 ppm (890 mg/m3)
Measurement Methods

NIOSH 1011;
OSHA 7
See: NMAM or OSHA Methods
Physical Description
Colorless to yellow liquid with an ether-like odor. [Note: A gas above 101°F.]
MW:
109.0
BP:
101°F
FRZ:
-182°F
Sol:
0.9%
VP:
375 mmHg
IP:
10.29 eV
Sp.Gr:
1.46
Fl.P:
<4°F
UEL:
8.0%
LEL:
6.8%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
Chemically-active metals such as sodium, potassium, calcium, powdered aluminum, zinc & magnesium
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; central nervous system depression; pulmonary edema; liver, kidney disease; cardiac arrhythmias, cardiac arrest
Target Organs
Eyes, skin, respiratory system, liver, kidneys, cardiovascular system, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap flush promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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

See also: INTRODUCTION   See ICSC CARD: 1378
 

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