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Diethylamine																				Related Pages
Synonyms & Trade Names
			Diethamine, N,N-Diethylamine, N-Ethylethanamine
CAS No.
			109-89-7
	RTECS No.
			HZ8750000
	DOT ID & Guide
			1154 132

Formula(C2H5)2NH
	Conversion
			1 ppm = 2.99 mg/m3
	IDLH
			200 ppmSee: 109897

Exposure Limits
			NIOSH RELTWA 10 ppm (30 mg/m3) ST 25 ppm (75 mg/m3)
					OSHA PEL TWA 25 ppm (75 mg/m3) See Appendix G
	Measurement Methods
			**NIOSH** 2010;**OSHA** 41
					
					See: NMAM or OSHA Methods
										
Physical Description
			Colorless liquid with a fishy, ammonia-like odor.													
										
Molecular Weight73.1	
	Boiling Point132°F
	Freezing Point-58°F
	SolubilityMiscible
	Vapor Pressure192 mmHg
	Ionization Potential8.01 eV											
Specific Gravity0.71	
	Flash Point-15°F
	Upper Explosive Limit10.1%
	Lower Explosive Limit1.8%
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities
			Strong oxidizers, strong acids, cellulose nitrate
Exposure Routes
			inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
			irritation eyes, skin, respiratory system; in animals; myocardial degeneration
Target Organs
			Eyes, skin, respiratory system, cardiovascular 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
							**Provide:**Eyewash (>0.5%), Quick drench (liquid)
	First Aid
			(See procedures)**Eye:**Irrigate immediately
							**Skin:**Water flush immediately
							**Breathing:**Respiratory support
							**Swallow:**Medical attention immediately
Respirator Recommendations
			**NIOSH****Up to 200 ppm**: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£(APF = 25) Any powered, air-purifying respirator with cartridge(s) providing protection against the compound of concern£(APF = 50) Any chemical cartridge respirator with a full facepiece and cartridge(s) providing protection against the compound of concern(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern(APF = 50) Any self-contained breathing apparatus with a full facepiece(APF = 50) Any supplied-air respirator 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 canister providing protection against the compound of concernAny appropriate escape-type, self-contained breathing apparatus
				Important additional information about respirator selection
See also
			INTRODUCTION
					  ICSC CARD: 0444

			
							

			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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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
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