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Diethylamine

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 ppm
See: 109897
Exposure Limits
NIOSH REL
TWA 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 Weight
73.1
Boiling Point
132°F
Freezing Point
-58°F
Solubility
Miscible
Vapor Pressure
192 mmHg
Ionization Potential
8.01 eV
Specific Gravity
0.71
Flash Point
-15°F
Upper Exposive Limit
10.1%
Lower Explosive Limit
1.8%

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 concern
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0444

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