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Merck
CN

6.18550

Triethylamine

Synonym(s):

Triethylamine

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About This Item

Linear Formula:
(C2H5)3N
CAS Number:
121-44-8
Molecular Weight:
101.19
UNSPSC Code:
12352116
MDL number:
MFCD00009051
Technique(s):
HPLC: suitable
Application(s):
general analytical
Bp:
89.3 °C (192.7 °F)
Vapor pressure:
72 hPa ( 20 °C)

Key Documents

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SMILES string

N(CC)(CC)CC

InChI

1S/C6H15N/c1-4-7(5-2)6-3/h4-6H2,1-3H3

InChI key

ZMANZCXQSJIPKH-UHFFFAOYSA-N

vapor density

3.48 (vs air)

vapor pressure

72 hPa ( 20 °C)

form

liquid

expl. lim.

1.2-9.3 % (v/v)

technique(s)

HPLC: suitable

pH

(12.7 at 100 g/l at 15 °C (59 °F))

bp

89.3 °C (192.7 °F)

solubility

water: soluble (112.4 g/l at 20 °C (68 °F))

density

0.72 g/cm3 (at 25 °C (77 °F))

suitability

suitable for chromatography

application(s)

general analytical

Quality Level

100

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Application

Triethylamine can be used as:
  • An environmentally friendly mobile phase component in liquid chromatographic technique for separating analgesic and antipyretic drugs such as propyphenazone, caffeine, paracetamol, and its degradation impurity 4-aminophenol.
  • Mobile phase component in the determination of polyamines in thermosetting polymers.

General description

Triethylamineis used as a mobile phase reagent in reversed-phase liquid chromatography todeactivate free silanol groups present in the stationary phase. It can also beused as a micellar mobile phase.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

12.2 °F - closed cup

flash_point_c

-11 °C - closed cup

Regulatory Information

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Certificates of Analysis (COA)

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Green chromatography separation of analytes of greatly differing properties using a polyethylene glycol stationary phase and a low-toxic water-based mobile phase
Satinsky D, et al.
Analytical and Bioanalytical Chemistry, 405, 6105-6115 (2013)
System peaks observed in capillary liquid chromatography with eluents containing triethylamine
Kafkova, B, et al.
Chromatographia, 56, 445-447 (2002)
Improved efficiency in micellar liquid chromatography using triethylamine and 1-butanol as mobile phase additives to reduce surfactant adsorption
Thomasa DP and Foleya JP
Journal of Chromatography A, 1205, 36-45 (2008)
Liquid chromatography method to determine polyamines in thermosetting polymers
Dopico-Garcia MS, et al.
Analytica Chimica Acta, 667(1-2), 123-129 (2010)

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