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Ethyl bromide																				Related Pages
Synonyms & Trade Names
			Bromoethane, Monobromoethane
CAS No.
			74-96-4
	RTECS No.
			KH6475000
	DOT ID & Guide
			1891 131

FormulaCH3CH2Br
	Conversion
			1 ppm = 4.46 mg/m3
	IDLH
			2000 ppmSee: 74964

Exposure Limits
			NIOSH RELSee Appendix D
					OSHA PEL TWA 200 ppm (890 mg/m3) See Appendix G
	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.]													
										
Molecular Weight109.0	
	Boiling Point101°F
	Freezing Point-182°F
	Solubility0.9%
	Vapor Pressure375 mmHg
	Ionization Potential10.29 eV											
Specific Gravity1.46	
	Flash Point<4°F
	Upper Explosive Limit8.0%
	Lower Explosive Limit6.8%
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 canisterAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 1378

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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CAS Numbers
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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