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Triethylamine (TEA) is a volatile, tertiary aliphatic amine widely used as a base, catalyst, and neutralizing agent in chemical synthesis and industrial processes.
Triethylamine (Cas 121-44-8) is a colorless to pale yellow liquid with a strong fishy to ammoniacal odor and is miscible with water, alcohols, and many organic solvents.
Triethylamine (Cas 121-44-8) is primarily applied in the production of quaternary ammonium compounds, resins, agrochemicals, and pharmaceuticals.
Its strong basicity and nucleophilicity make it an essential reagent in organic chemistry and polymerization reactions.
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 TEA, Triethylamine Base, TEA Catalyst, Triethylamine Industrial Grade, Triethylamine Pharmaceutical Grade, Triethylamine Solvent, Triethylamine, TEA (CAS 121-44-8), N,N-Diethylethanamine (CAS 121-44-8), Tertiary Triethylamine , Triethylamine Base (CAS 121-44-8), Triethylamine Liquid, Triethylamine Certified, Triethylamine Stabilized, Triethylamine Certified Standard, Triethylamine Analytical Standard, Triethylamine Certified Reagent, Triethylamine Laboratory Standard
APPLICATIONS
Triethylamine (Cas 121-44-8) is used as an intermediate in the production of quaternary ammonium salts.
Triethylamine (Cas 121-44-8) is applied in the manufacture of ion-exchange resins.
Triethylamine (Cas 121-44-8) is used in phase-transfer catalysis.
Triethylamine is employed as a catalyst in epoxy and polyurethane resins.
Triethylamine (Cas 121-44-8) accelerates curing in coatings and adhesives.
Triethylamine (Cas 121-44-8) improves crosslinking reactions in polymer synthesis.
Triethylamine (Cas 121-44-8) is used as a neutralizing agent in acid scavenging.
Triethylamine (Cas 121-44-8) is employed in the preparation of acid chlorides and anhydrides.
Triethylamine (Cas 121-44-8) is used in Friedel–Crafts acylation and alkylation reactions.
Triethylamine (Cas 121-44-8) is used in pharmaceuticals as a synthesis intermediate.
Triethylamine (Cas 121-44-8) participates in the production of active pharmaceutical ingredients (APIs).
Triethylamine is used in the preparation of anesthetics, antihistamines, and antibiotics.
Triethylamine (Cas 121-44-8) is applied in the agrochemical industry.
Triethylamine (Cas 121-44-8) is used to produce herbicides, fungicides, and pesticides.
Triethylamine (Cas 121-44-8) acts as a building block in crop protection formulations.
Triethylamine (Cas 121-44-8) is used in the rubber and plastics industry.
Triethylamine (Cas 121-44-8) is a catalyst in vulcanization processes.
Triethylamine (Cas 121-44-8) is applied in polymer stabilizers and additives.
Triethylamine (Cas 121-44-8) is employed in metal surface treatment.
Triethylamine (Cas 121-44-8) neutralizes acidic residues in cleaning solutions.
Triethylamine prevents corrosion in metal finishing processes.
Triethylamine (Cas 121-44-8) is used in paints and coatings.
Triethylamine (Cas 121-44-8) enhances curing of acrylic and epoxy systems.
Triethylamine improves gloss and adhesion in coatings.
Triethylamine (Cas 121-44-8) is used in laboratory synthesis as a base.
Triethylamine (Cas 121-44-8) is applied in peptide coupling reactions.
Triethylamine (Cas 121-44-8) acts as a proton scavenger in organic synthesis.
Triethylamine is used in the pharmaceutical industry.
Triethylamine acts as a base in the synthesis of anesthetics.
Triethylamine is employed in the production of antihistamines and antibiotics.
Triethylamine is applied in agrochemicals.
Triethylamine is used in the manufacture of herbicides and fungicides.
Triethylamine serves as a catalyst in pesticide formulations.
Triethylamine (Cas 121-44-8) is used in polymer chemistry.
Triethylamine (Cas 121-44-8) catalyzes the curing of epoxy resins.
Triethylamine improves efficiency in polyurethane systems.
Triethylamine (Cas 121-44-8) is incorporated in resin manufacturing.
Triethylamine is employed in phenolic and melamine-formaldehyde resin processes.
Triethylamine supports the synthesis of thermosetting polymers.
Triethylamine (Cas 121-44-8) is used in dye production.
Triethylamine neutralizes intermediates in pigment synthesis.
Triethylamine enhances reactivity in dye manufacturing.
Triethylamine (Cas 121-44-8) is applied in quaternary ammonium compound synthesis.
Triethylamine (Cas 121-44-8) serves as a raw material for surfactants.
Triethylamine contributes to the production of phase-transfer catalysts.
Triethylamine (Cas 121-44-8) is used in laboratory synthesis.
Triethylamine acts as a general base in organic reactions.
Triethylamine is widely employed in acylation, alkylation, and esterification reactions.
Triethylamine (Cas 121-44-8) is incorporated in gas scrubbing systems.
Triethylamine neutralizes acidic gases such as CO2 and SO2.
Triethylamine is used in emission control processes.
Triethylamine (Cas 121-44-8) is applied in adhesives and coatings.
Triethylamine functions as a curing catalyst in adhesives.
Triethylamine improves adhesion and stability in industrial coatings.
Triethylamine (Cas 121-44-8) is used in rubber processing.
Triethylamine accelerates vulcanization reactions.
Triethylamine enhances crosslinking efficiency in elastomers.
Triethylamine (Cas 121-44-8) is incorporated in photographic chemicals.
Triethylamine (Cas 121-44-8) stabilizes developer formulations.
Triethylamine ensures consistent image quality.
Triethylamine (Cas 121-44-8) is used in the oil and gas sector.
Triethylamine neutralizes acidic impurities in crude oil refining.
Triethylamine improves efficiency in petroleum processing.
DESCRIPTION
Triethylamine (Cas 121-44-8) is a clear, volatile liquid with a strong, penetrating fishy odor.
Triethylamine (Cas 121-44-8) is a tertiary amine containing three ethyl groups bonded to a nitrogen atom.
Triethylamine is highly basic and nucleophilic.
Triethylamine (Cas 121-44-8) is miscible with most organic solvents and water.
Triethylamine (Cas 121-44-8) forms azeotropes with several solvents.
Triethylamine vapors are flammable and heavier than air.
Triethylamine (Cas 121-44-8) is a hazardous chemical that requires careful handling.
Triethylamine (Cas 121-44-8) can cause irritation to skin, eyes, and respiratory tract.
Triethylamine (Cas 121-44-8) is classified as flammable and corrosive under GHS standards.
Triethylamine is a tertiary aliphatic amine.
Triethylamine has the CAS number 121-44-8.
Triethylamine has the EC number 204-469-4.
Triethylamine has the molecular formula C6H15N.
Triethylamine has a molecular weight of 101.19 g/mol.
Triethylamine is a volatile and flammable liquid.
Triethylamine appears as a colorless to pale yellow liquid.
Triethylamine has a strong ammonia- or fish-like odor.
Triethylamine is miscible with water, alcohols, and most organic solvents.
Triethylamine is a weak base and forms salts with strong acids.
Triethylamine is highly reactive with acid chlorides and anhydrides.
Triethylamine is stable under normal conditions but highly volatile.
Triethylamine vapors are irritating to the eyes, skin, and respiratory tract.
Triethylamine can form explosive mixtures with air.
Triethylamine requires careful storage in tightly sealed containers.
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 at 20°C
Solubility: Miscible with water, alcohols, ethers, hydrocarbons
pKa: 10.75 (conjugate acid in water)
Reactivity: Strong base; reacts violently with oxidizers and acids
Storage Temperature: Store at 5–30°C in sealed containers under nitrogen or inert atmosphere
FIRST AID
Inhalation:
Remove to fresh air immediately.
Seek medical help if breathing difficulty occurs.
Skin Contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.
Seek medical attention for burns or persistent irritation.
Eye Contact:
Flush with plenty of water for at least 15 minutes.
Seek immediate medical attention.
Ingestion:
Do not induce vomiting.
Rinse mouth with water and seek immediate medical attention.
Note to Physicians:
Treat symptomatically.
Corrosive and irritant effects on mucous membranes should be managed promptly.
HANDLING AND STORAGE
Handling:
Use protective gloves, goggles, and chemical-resistant clothing.
Avoid inhalation of vapors and contact with skin or eyes.
Handle in closed systems or with appropriate ventilation.
Ventilation:
Ensure local exhaust and explosion-proof ventilation.
Avoidance:
Avoid sparks, flames, and strong oxidizing agents.
Do not store with acids or halogenated compounds.
Spill and Leak Procedures:
Absorb with inert material (e.g., vermiculite, dry sand).
Avoid ignition sources.
Dispose of in accordance with local regulations.
Storage:
Store in cool, dry, well-ventilated areas.
Keep containers tightly closed and grounded.
Protect from heat, direct sunlight, and moisture.
