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Cas Database

Name	Triethylamine	EINECS	204-469-4
CAS No.	121-44-8	Density	0.75 g/cm³
PSA	3.24000	LogP	1.34810
Solubility	water: 133 g/L (20 °C)	Melting Point	-115 °C
Formula	C₆H₁₅N	Boiling Point	90.495 °C at 760 mmHg
Molecular Weight	101.192	Flash Point	20°F
Transport Information	UN 1296 3/PG 2	Appearance	colorless liquid
Safety	3-16-26-29-36/37/39-45	Risk Codes	11-20/21/22-35
Molecular Structure		Hazard Symbols	F,C
Synonyms	Triethylamine(7CI,8CI);(Diethylamino)ethane;N,N-Diethylethanamine;AI3-15425;CCRIS 4881;Ethanamine, N,N-diethyl-;HSDB 896;Triaethylamin;Trietilamina;	Article Data	339

Triethylamine Synthetic route

: 2687-45-8
triethylamine N-oxide

: 121-44-8
triethylamine

Conditions

Conditions	Yield
With carbon monoxide; 1 wt% Au/TiO2; water In acetone at 60℃; under 7600.51 Torr; for 10h; Autoclave;	99%
With C55H43P3Rh(1+)*C32H12BF24(1-); isopropyl alcohol at 80℃; for 24h; Inert atmosphere;	98%
With titanium tetrachloride; sodium iodide In acetonitrile at 20℃; for 0.0833333h;	55%

: 349-76-8
3'-(trifluoromethyl)acetophenone

A: 454-91-1, 68120-40-1, 96789-80-9, 127852-24-8
(R)-1-(3-trifluoromethylphenyl)ethanol

B: 121-44-8
triethylamine

Conditions

Conditions	Yield
	A 99% B n/a

: 111-87-5
octanol

: 64-17-5
ethanol

: 75-05-8
acetonitrile

A: 4088-37-3
diethyloctylamine

B: 121-44-8
triethylamine

Conditions

Conditions	Yield
With hydrogen; copper at 240℃; under 7600 Torr;	A 95% B n/a

: 64-17-5
ethanol

: 112-30-1
1-Decanol

: 75-05-8
acetonitrile

A: 6308-94-7
n-decyldiethylamine

B: 121-44-8
triethylamine

Conditions

Conditions	Yield
With hydrogen; copper at 240℃; under 7600 Torr;	A 90% B n/a

: 64-17-5
ethanol

: 112-53-8
1-dodecyl alcohol

: 75-05-8
acetonitrile

A: 4271-27-6
diethyllaurylamine

B: 121-44-8
triethylamine

Conditions

Conditions	Yield
With hydrogen; copper at 240℃; under 7600 Torr;	A 85% B n/a

: 58608-53-0
1,2-bis(dicyanomethylene)-3-triethylammonium cyclopropanide

: 99968-57-7
2,3-Di-piperidin-1-yl-cycloprop-2-eneselone

A: C22H20N6Se

B: 121-44-8
triethylamine

Conditions

Conditions	Yield
In dichloromethane for 1h; Heating;	A 84% B n/a

: 629-76-5
pentadecanol

: 64-17-5
ethanol

: 75-05-8
acetonitrile

A: 36555-73-4
Diaethyl-pentadecyl-amin

B: 121-44-8
triethylamine

Conditions

Conditions	Yield
With hydrogen; copper at 240℃; under 7600 Torr;	A 80% B n/a

: 64-17-5
ethanol

: 36653-82-4
1-Hexadecanol

: 75-05-8
acetonitrile

A: 30951-88-3
N,N-diethylhexadecyl tertiary amine

B: 121-44-8
triethylamine

Conditions

Conditions	Yield
With hydrogen; copper at 240℃; under 7600 Torr;	A 80% B n/a

: 87-90-1
trichloroisocyanuric acid

: 121-44-8
triethylamine

Conditions

Conditions	Yield
In dichloromethane	80%

: 109-89-7
diethylamine

: 121-44-8
triethylamine

Conditions

Conditions	Yield
With chlorohydridocarbonylbis(tricyclohexylphosphine)ruthenium(II) In toluene at 120℃; for 24h; Schlenk technique; Inert atmosphere;	79%

Triethylamine Chemical Properties

Molecular Structure:

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

Triethylamine 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.

Triethylamine 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.

Triethylamine Safety Profile

Hazard Codes of Triethylamine (CAS NO.121-44-8): F, Corrosive 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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