T

Triethylamine

IUPAC: N,N-diethylethanamine

C6H15N Bases & Alkalis CAS 121-44-8
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Quick Reference
Formula / NotationC6H15N
CAS Number121-44-8
Molecular Weight101.19
Melting Point-174.5 °F (NTP, 1992)
Boiling Point192.7 °F at 760 mmHg (NTP, 1992)
Density0.729 at 68 °F (USCG, 1999) - Less dense than water; will float
SolubilitySoluble (NTP, 1992)
AppearanceTriethylamine appears as a clear colorless liquid with a strong ammonia to fish-like odor. Flash point 20 °F. Vapors irritate the eyes and mucous membranes. Less dense (6.1 lb / gal) than water. V...
Also Known AsN,N-diethylethanamine; 121-44-8; N,N-Diethylethanamine; (Diethylamino)ethane; Ethanamine, N,N-diethyl-; Triaethylamin; Trietilamina; VOU728O6AY; DTXSID3024366; TEN [Base]
CategoryBases & Alkalis

What is Triethylamine?

Triethylamine is a tertiary amine that is ammonia in which each hydrogen atom is substituted by an ethyl group.

Formula & Notation

C6H15N

IUPAC Name: N,N-diethylethanamine

Other Names / Synonyms: N,N-diethylethanamine; 121-44-8; N,N-Diethylethanamine; (Diethylamino)ethane; Ethanamine, N,N-diethyl-; Triaethylamin; Trietilamina; VOU728O6AY; DTXSID3024366; TEN [Base]

Properties & Characteristics

Appearance: Triethylamine appears as a clear colorless liquid with a strong ammonia to fish-like odor. Flash point 20 °F. Vapors irritate the eyes and mucous membranes. Less dense (6.1 lb / gal) than water. V.... Molecular formula: C6H15N. Molecular weight: 101.19 g/mol. Boiling point: 192.7 °F at 760 mmHg (NTP, 1992). Melting point: -174.5 °F (NTP, 1992). Density: 0.729 at 68 °F (USCG, 1999) - Less dense than water; will float. Solubility: Soluble (NTP, 1992). Vapor pressure: 53.5 mmHg (NTP, 1992). LogP: 1.4.

Physical Data

PropertyValue
Melting Point-174.5 °F (NTP, 1992)
Boiling Point192.7 °F at 760 mmHg (NTP, 1992)
Density0.729 at 68 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight101.19
SolubilitySoluble (NTP, 1992)
AppearanceTriethylamine appears as a clear colorless liquid with a strong ammonia to fish-like odor. Flash point 20 °F. Vapors irritate the eyes and mucous membranes. Less dense (6.1 lb / gal) than water. V...

Uses & Applications

Used in chemical manufacturing, pH adjustment, saponification, water treatment, and as a laboratory reagent.

Safety Information

Corrosive or irritant. Causes burns to skin and eyes. Store away from acids. Wear protective gloves and goggles. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Triethylamine
Formula C6H15N
CAS Number 121-44-8
Molecular Weight 101.19
Category Bases & Alkalis
Synonyms N,N-diethylethanamine; 121-44-8; N,N-Diethylethanamine; (Diethylamino)ethane; Ethanamine, N,N-diethyl-; Triaethylamin; Trietilamina; VOU728O6AY; DTXSID3024366; TEN [Base]

Frequently Asked Questions

Triethylamine is a tertiary amine that is ammonia in which each hydrogen atom is substituted by an ethyl group.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.