Triethylamine |
Synonyms & Trade Names TEA |
CAS No. 121-44-8 |
RTECS No. YE0175000 |
DOT ID & Guide 1296 132 |
Formula(C2H5)3N |
Conversion 1 ppm = 4.14 mg/m3 |
IDLH 200 ppm
See: 121448 |
Exposure Limits NIOSH REL: See Appendix D
OSHA PEL†: TWA 25 ppm (100 mg/m3) |
Measurement Methods
NIOSH S152 (II-3);
OSHA PV2060
See: NMAM or OSHA Methods |
Physical Description Colorless liquid with a strong, ammonia-like odor. |
MW: 101.2 |
BP: 193°F |
FRZ: -175°F |
Sol: 2% |
VP: 54 mmHg |
IP: 7.50 eV |
Sp.Gr: 0.73 |
Fl.P: 20°F |
UEL: 8.0% |
LEL: 1.2% |
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| Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F. |
Incompatibilities & Reactivities Strong oxidizers, strong acids, chlorine, hypochlorite, halogenated compounds |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, respiratory system; in animals: myocardial, kidney, liver damage |
Target Organs Eyes, skin, respiratory system, cardiovascular system, liver, kidneys |
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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 (>1%), Quick drench (>1%) |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations OSHA Up to 200 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
(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 See ICSC CARD: 0203
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