Basic information
- Name:
Triethylamine
- CAS No.:
121-44-8
- Molecular Structure:
- Formula:
- C6H15N
- Synonyms:
- Triethylamine(7CI,8CI);(Diethylamino)ethane;N,N-Diethylethanamine;AI3-15425;CCRIS 4881;Ethanamine, N,N-diethyl-;HSDB 896;Triaethylamin;Trietilamina;
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Chemistry
Molecular Structure:
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Molecular Formula: C6H15N
Molecular Weight: 101.19
IUPAC Name: N,N-Diethylethanamine
Synonyms of Triethylamine (CAS NO.121-44-8): (Diethylamino)ethane ; AI3-15425 ; CCRIS 4881 ; EINECS 204-469-4 ; Ethanamine, N,N-diethyl- ; HSDB 896 ; N,N-Diethylethanamine ; TEA ; TEN ; Triaethylamin ; Triaethylamin [German] ; Trietilamina ; Trietilamina [Italian] ; Triethylamine [UN1296] [Flammable liquid] ; UN1296
CAS NO: 121-44-8
Classification Code: Human Data ; Mutation data ; Skin / Eye Irritant ; Tumor data
Melting point: -115 °C
Index of Refraction: 1.412
Molar Refractivity: 33.56 cm3
Molar Volume: 134.8 cm3
Surface Tension: 23.4 dyne/cm
Density: 0.75 g/cm3
Enthalpy of Vaporization: 31.01 kJ/mol
Boiling Point: 90.5 °C at 760 mmHg
Vapour Pressure: 56.1 mmHg at 25°C
Uses
Triethylamine (CAS NO.121-44-8) is commonly used in organic synthesis as a base, most often in the preparation of amides and esters from acyl chlorides. Like other tertiary amines it catalyzes the formation of urethane foams and epoxy resins. It is also useful in dehydrohalogenation reactions and Swern oxidations. It is also the active ingredient for FlyNap, a product for anesthetizing Drosophila melanogaster.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LCLo | inhalation | 1000ppm/4H (1000ppm) | Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 2, 1948. | |
| human | TCLo | inhalation | 6500ug/m3/4H (6.5mg/m3) | SENSE ORGANS AND SPECIAL SENSES: VISUAL FIELD CHANGES: EYE SENSE ORGANS AND SPECIAL SENSES: CORNEAL DAMAGE: EYE SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE | Occupational and Environmental Medicine. Vol. 56, Pg. 1, 1999. |
| human | TCLo | inhalation | 12mg/m3/11W-C (12mg/m3) | SENSE ORGANS AND SPECIAL SENSES: VISUAL FIELD CHANGES: EYE | International Archives of Occupational and Environmental Health. Vol. 57, Pg. 297, 1986. |
| human | TCLo | inhalation | 20mg/m3/8H (20mg/m3) | SENSE ORGANS AND SPECIAL SENSES: CORNEAL DAMAGE: EYE | Weisheng Dulixue Zazhi. Journal of Health Toxicology. Vol. 4, Pg. 45, 1990. |
| mammal (species unspecified) | LC50 | inhalation | 6gm/m3 (6000mg/m3) | Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 14, Pg. 80, 1975. | |
| mouse | LC50 | inhalation | 6gm/m3 (6000mg/m3) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES LIVER: FATTY LIVER DEGERATION | Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 7, Pg. 56, 1965. |
| mouse | LD50 | intraperitoneal | 405mg/kg (405mg/kg) | Yakugaku Zasshi. Journal of Pharmacy. Vol. 97, Pg. 1117, 1977. | |
| mouse | LD50 | oral | 546mg/kg (546mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: EXCITEMENT | Hygiene and Sanitation Vol. 30(7-9), Pg. 351, 1965. |
| rabbit | LD50 | skin | 570uL/kg (0.57mL/kg) | AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 4, Pg. 119, 1951. | |
| rat | LCLo | inhalation | 1000ppm/4H (1000ppm) | AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 4, Pg. 119, 1951. | |
| rat | LD50 | oral | 460mg/kg (460mg/kg) | AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 4, Pg. 119, 1951. | |
| rat | LDLo | intraperitoneal | 75mg/kg (75mg/kg) | Farmakologiya i Toksikologiya Vol. 31, Pg. 238, 1968. |
Safety Profile
Hazard Codes of Triethylamine (CAS NO.121-44-8): 
F,
C
Risk Statements: 11-20/21/22-35
R11: Highly flammable.
R20/22: Harmful by inhalation and if swallowed.
R35: Causes severe burns.
Safety Statements: 3-16-26-29-36/37/39-45
S3: Keep in a cool place.
S16: Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S29: Do not empty into drains.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 1296 3/PG 2
WGK Germany: 1
RTECS: YE0175000
F: 34
Hazard Note: Highly Flammable/Corrosive
HazardClass: 3
PackingGroup: II
HS Code: 29211910
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