Triethylamine (TEA) is a volatile tertiary amine widely used as a base, neutralizing agent, and catalyst in chemical synthesis and industrial applications.
Triethylamine is a colorless liquid with a strong ammoniacal odor, highly miscible with water and organic solvents, and known for its strong alkalinity.
Triethylamine is employed in pharmaceuticals, agrochemicals, coatings, resins, and polymer industries, as well as in laboratory-scale organic synthesis.
CAS Number: 121-44-8
EC Number: 204-469-4
Molecular Formula: C6H15N
Molecular Weight: 101.19 g/mol
Synonyms: Triethylamine, TEA, N,N-Diethylethanamine, Ethylamine Triethyl, Tertiary Amine Base, Triethylamine Catalyst, Triethylamine Solvent, Triethylamine Industrial Grade, TEA Neutralizing Agent, Triethylamine, TEA, N,N-Diethylethanamine, Ethylamine Tri, Ethyl Trimethylamine, Triethyl Amine, Triethylamine Base, Triethylamine Liquid, Triethylamine Solution, Triethylamine Compound, Triethylamine Material, Triethylamine Product, Triethylamine Substance, Triethylamine Chemical, Triethylamine Raw Material, Triethylamine Bulk Chemical, Triethylamine Technical Grade, Triethylamine Industrial Grade, Triethylamine Pharmaceutical Grade, Triethylamine Cosmetic Grade, Triethylamine Food Grade, Triethylamine Laboratory Grade, Triethylamine Research Grade, Triethylamine Pure, Triethylamine Extra Pure, Triethylamine High Purity, Triethylamine Refined, Triethylamine Stabilized, Triethylamine Certified, Triethylamine Certified Standard, Triethylamine Analytical Standard, Triethylamine Laboratory Standard, Triethylamine Certified Reagent, Triethylamine Test Reagent
APPLICATIONS
Triethylamine is used as a catalyst in epoxy and polyurethane resins.
Triethylamine is applied in the production of quaternary ammonium salts.
Triethylamine is employed as a base in organic synthesis reactions.
Triethylamine is used as an intermediate in pharmaceuticals.
Triethylamine supports the manufacture of anesthetics, antibiotics, and antihistamines.
Triethylamine is applied in peptide coupling and acylation reactions.
Triethylamine is incorporated in agrochemicals.
Triethylamine is used in the synthesis of herbicides and pesticides.
Triethylamine is employed as a neutralizer in formulations.
Triethylamine is applied in paints, coatings, and adhesives.
Triethylamine enhances curing and film formation.
Triethylamine improves stability of coating formulations.
Triethylamine is used in the rubber and plastics industry.
Triethylamine acts as a curing accelerator in vulcanization.
Triethylamine stabilizes polymerization processes.
Triethylamine is employed in laboratory-scale reactions.
Triethylamine is widely used as a proton scavenger.
Triethylamine is a common reagent in Friedel–Crafts acylation and alkylation.
Triethylamine is used in the pharmaceutical industry.
Triethylamine acts as a base in drug synthesis.
Triethylamine is employed in the preparation of local anesthetics and antihistamines.
Triethylamine is applied in agrochemicals.
Triethylamine is used in the synthesis of herbicides and fungicides.
Triethylamine acts as a catalyst in pesticide formulations.
Triethylamine is used in resin production.
Triethylamine catalyzes the formation of epoxy and phenolic resins.
Triethylamine supports the manufacture of thermosetting resins.
Triethylamine is incorporated in polymerization reactions.
Triethylamine serves as an acid scavenger in polymer chemistry.
Triethylamine improves yield in polymer curing systems.
Triethylamine is used in the production of quaternary ammonium compounds.
Triethylamine is a precursor for cationic surfactants.
Triethylamine supports synthesis of phase transfer catalysts.
Triethylamine is applied in dye manufacturing.
Triethylamine functions as a neutralizing agent in dye intermediates.
Triethylamine improves reaction efficiency in pigment production.
Triethylamine is used in rubber processing.
Triethylamine acts as a vulcanization accelerator.
Triethylamine enhances crosslinking in elastomer formulations.
Triethylamine is incorporated in oil refining.
Triethylamine neutralizes acidic components in petroleum streams.
Triethylamine improves refining efficiency and stability.
Triethylamine is used in laboratory synthesis.
Triethylamine serves as a base in organic reactions.
Triethylamine is widely used in acylation and esterification processes.
Triethylamine is applied in adhesives and coatings.
Triethylamine functions as a curing catalyst.
Triethylamine improves performance of polyurethane adhesives.
Triethylamine is used in gas treatment.
Triethylamine absorbs acidic gases in scrubbing systems.
Triethylamine reduces emissions in industrial processes.
Triethylamine is incorporated in photographic chemicals.
Triethylamine is used in stabilizers for film developers.
Triethylamine enhances image processing stability.
DESCRIPTION
Triethylamine is a tertiary aliphatic amine.
Triethylamine has the molecular formula C6H15N.
Triethylamine has a molecular weight of 101.19 g/mol.
Triethylamine appears as a colorless to pale yellow liquid.
Triethylamine has a strong ammonia-like odor.
Triethylamine is volatile and flammable.
Triethylamine is miscible with water, alcohols, and ethers.
Triethylamine acts as a weak organic base.
Triethylamine forms salts with strong acids.
Triethylamine is highly reactive with acyl chlorides and acid anhydrides.
Triethylamine is widely used as a catalyst and acid scavenger.
Triethylamine is stable under normal storage conditions.
Triethylamine is corrosive to eyes, skin, and respiratory tract.
Triethylamine vapors may form explosive mixtures with air.
Triethylamine requires storage in tightly sealed containers away from heat.
Triethylamine is a clear, colorless liquid with a strong fishy odor.
It is a tertiary amine with three ethyl groups attached to nitrogen.
Triethylamine is highly flammable and volatile.
Triethylamine is strongly alkaline and reactive toward acids.
It forms salts readily with mineral and organic acids.
Triethylamine vapors are heavier than air and may form explosive mixtures.
Triethylamine is corrosive to mucous membranes, skin, and eyes.
It requires careful handling under controlled conditions.
It is supplied in industrial, pharmaceutical, and laboratory grades.
PROPERTIES
Appearance: Clear, colorless to pale yellow liquid
Odor: Strong fishy, ammoniacal odor
Density: 0.726 g/cm³ (at 20°C)
Melting Point: -114°C
Boiling Point: 89–90°C
Flash Point: -11°C (closed cup)
Autoignition Temperature: 215°C
Vapor Pressure: ~400 hPa (20°C)
Solubility: Miscible with water and most organic solvents
pKa: 10.75 (conjugate acid in water)
Reactivity: Strong base; reacts with oxidizers, acids, halogens
Storage Temperature: Store at 5–30°C, away from heat and ignition sources
FIRST AID
Inhalation:
Remove to fresh air immediately.
Seek medical attention if breathing difficulty occurs.
Skin Contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.
Seek medical advice if irritation persists.
Eye Contact:
Flush with plenty of water for at least 15 minutes.
Seek immediate medical help.
Ingestion:
Do not induce vomiting.
Rinse mouth and seek medical attention immediately.
Note to Physicians:
Treat symptomatically.
Corrosive to mucous membranes and respiratory tract.
HANDLING AND STORAGE
Handling:
Wear gloves, goggles, and protective clothing.
Avoid inhalation of vapors and contact with skin or eyes.
Ground equipment and use spark-proof tools.
Ventilation:
Provide explosion-proof ventilation and local exhaust.
Avoidance:
Avoid flames, sparks, and strong oxidizing agents.
Do not store with acids or halogenated compounds.
Spill and Leak Procedures:
Absorb with inert material (sand, vermiculite).
Remove ignition sources immediately.
Dispose according to regulations.
Storage:
Keep in tightly closed, grounded containers.
Store in a cool, dry, ventilated place away from sunlight and heat.