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Emulsifiers

Triethylamine

Also known as N,N-Diethylethanamine, (Diethylamino)ethane, Ethanamine, N,N-diethyl-

CAS 121-44-8Formula C6H15NMolar mass 101.19 g/molEC 204-469-4
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Acute toxicity (severe) 212 suppliers listed
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Triethylamine chemical structure, C6H15N, CAS 121-44-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-114.7 °C
Boiling point
88.8 °C
Density
0.7275 g/cm³ at 20 °C
Flash point
-15 °C
HS code
292119
Category
Emulsifiers
UN number
UN 1296
Illustrative photo, an amber glass solvent bottle with clear liquid on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Triethylamine?

Plain description, key identifiers and synonyms

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

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N,N-diethylethanamine
CAS number
121-44-8 CAS number cross-checked
EC number
204-469-4
Molecular formula
C6H15N
UNII
VOU728O6AY
MDL number
MFCD00009051
INCI name
TRIETHYLAMINE
InChIKey
ZMANZCXQSJIPKH-UHFFFAOYSA-N
InChI
InChI=1S/C6H15N/c1-4-7(5-2)6-3/h4-6H2,1-3H3
SMILES (canonical and isomeric)
CCN(CC)CC

Synonyms

  • N,N-Diethylethanamine
  • (Diethylamino)ethane
  • Ethanamine, N,N-diethyl-
  • Triaethylamin
  • Trietilamina
  • TEN [Base]
  • TEN (Base)
  • triethyl amine
  • Triethylamin
  • N,N,N-Triethylamine
  • NEt3
  • Diethylaminoethane
  • trietylamine
  • tri-ethyl amine
  • (C2H5)3N
  • N,N-diethyl-ethanamine
  • ethane, diethylamino-
  • Triethylamine, >=99.5%
  • triethyl-amine
  • Et3N
  • triehtylamine
  • triehylamine
  • trieihylamine
  • triethlyamine
  • triethyamine
Show all 36 synonyms
  • triethylamme
  • triethylarnine
  • Thethylamine
  • Triethlamine
  • triethyIamine
  • Triethylannine
  • tri-ethylamine
  • triehyl amine
  • triethyl amin
  • triethylam ine
  • triethylami-ne

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless liquidexp.
Odour
Strong, ammoniacal ordorexp.
Melting point
-114.7 °Cexp.
Boiling point
88.8 °Cexp.
Density
0.7275 g/cm³ at 20 °Cexp.
Flash point
-15 °Cexp.
Autoignition temperature
249 °Cexp.
Solubility
In water, 6.86 × 10⁺⁴ mg/L at 25 °Cexp.
Vapour pressure
57.07 mm Hg at 25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
101.19 g/molcalc.
Exact mass
101.1204 Dacalc.
LogP (octanol/water)
1.35calc.
Topological polar surface area
3.24 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
330NFPA 704 rating

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H331Toxic if inhaled.
Precautionary statements (32)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1296
Transport hazard class
3
Packing group
II

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Triethylamine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 212 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

212 suppliers in 29 countries

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Triethylamine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Chemical intermediate, anti-livering agent for urea & melamine based enamels, recovery of gelled paint vehicles, catalyst for polyurethane foams, flux for copper soldering.

Catalytic solvent in chemical synthesis, accelerator activators for rubber, wetting, penetrating, and waterproofing agents of quaternary ammonium types, curing and hardening of polymers (e.g., core-binding resins), corrosion inhibitor, propellant.

Catalyst for epoxy resins.

Manufacture of ... dyestuffs.

Triethylamine is used as a catalytic solvent in chemical syntheses, as an accelerator activator for rubber, as a corrosion inhibitor, as a curing and hardening agent for polymers, as a propellant, in the manufacture of wetting, penetrating, and waterproofing agents of quaternary ammonium compounds, and for the desalination of seawater.

Industrial uses: Solvent, pH regulating agent, Semiconductor and photovoltaic agent, Cleaning agent, Intermediate.

Consumer uses: Intermediate, Semiconductor and photovoltaic agent.

Cosmetic ingredient, INCI name TRIETHYLAMINE(emulsion stabilising)

Functional uses

  • Biocide
  • Emulsifier
  • Flavouring and nutrient
  • Surfactant (surface active agent)

Cosmetic functions

  • Emulsion stabilising

How it is made

Prep by reaction of N,N-diethylacetamide with lithium aluminum hydride ... Manufactured by vapor phase alkylation of ammonia with ethanol...

Derivation: From ethyl chloride and ammonia with heat and pressure.

Triethylamine can be produced from acetaldehyde, ammonia, and hydrogen in the presence of a hydrogenation catalyst.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 612-004-00-5

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triethylamine is traded under.

HS 2921.19Indicative HS code

Acyclic monoamines and their derivatives, salts thereof, other

World exports in 2024
$1.21B
+4.0% vs 2023, imports $1.16B
2019 to 2024
Top exporters
  1. China35.5%
  2. United States17.9%
  3. Germany16.4%
Top importers
  1. United States14.1%
  2. South Korea9.7%
  3. Japan8.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Triethylamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triethylamine, based on the data on this page

What is Triethylamine?

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

What is the CAS number of Triethylamine?

The CAS registry number of Triethylamine is 121-44-8.

What is the molecular formula and weight of Triethylamine?

The molecular formula of Triethylamine is C6H15N and its molar mass is 101.19 g/mol.

What is Triethylamine used for?

Chemical intermediate, anti-livering agent for urea & melamine based enamels, recovery of gelled paint vehicles, catalyst for polyurethane foams, flux for copper soldering.

Is Triethylamine hazardous?

Triethylamine carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, toxic if swallowed, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Triethylamine?

Triethylamine is usually classified under HS code 292119 (Acyclic monoamines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triethylamine?

CompoundList lists 212 suppliers of Triethylamine in China, United States, India, Germany and 25 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Triethylamine in India?

45 suppliers in India list Triethylamine on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Triethylamine?

Suppliers quote Triethylamine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Triethylamine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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