Tertiary Amines
| Formula: | R₃N (general formula, where R = alkyl or aryl group) |
| CAS Number: | Varies (e.g., Triethylamine: 121-44-8) |
| EC Number (EINECS): | Varies depending on specific amine (e.g., Triethylamine: 203-469-3) |
| HS Code: | 29211990 (for various tertiary amines) |
| UN Number: | Depends on the compound (e.g., Triethylamine UN1296) |
| IUPAC Name: | Trialkylamine (example: Triethylamine = N,N-Diethylethanamine) |
| Also Known As: | Trialkylamines; TEA (for Triethylamine); N-substituted amines |
| Molecular Weight, g/mol: | Varies with specific compound (e.g., Triethylamine = 101.19) |
Typical Specifications
| Appearance: | Clear, colorless liquid |
| Odor: | Ammonia-like, fishy odor |
| Melting Point, °C: | –115 |
| Boiling Point, °C: | 89–90 |
| Density, g/cm³ (at 20°C): | 0.73 |
| Flash Point, °C: | –7 (closed cup) |
| Solubility: | Miscible with alcohols, ethers, ketones; partially soluble in water |
| pH (1% solution): | Alkaline |
| Vapor Pressure (at 20°C): | ~400 mmHg (Triethylamine) |
| Purity, %: | ≥99 |
| Grades Available: | Industrial, Technical, High-Purity |
| Packaging: | 150kg drums, 850–1000kg IBC tanks, bulk |
Applications / Uses
Primary Applications
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Intermediate in manufacture of quaternary ammonium compounds
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Catalyst and neutralizing agent in epoxy and polyurethane systems
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Used in production of surfactants, emulsifiers, and corrosion inhibitors
Secondary Applications
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Solvent and pH regulator in chemical synthesis
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Used in water treatment formulations
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Intermediate for pharmaceuticals, agrochemicals, dyes
End Industries Served: Chemicals, Pharmaceuticals, Agrochemicals, Coatings, Polymers, Water Treatment, Oil & Gas
Safety & Handling Information
Hazard Class (GHS): Flammable liquid (Category 2), Acute Toxicity (Category 4), Skin & Eye Irritant (Category 2)
Hazard Statements (H-Codes):
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H225: Highly flammable liquid and vapor
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H302: Harmful if swallowed
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H312: Harmful in contact with skin
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation
Precautionary Statements (P-Codes):
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P210: Keep away from heat, sparks, open flames
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P280: Wear protective gloves/eye protection
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P301 + P330 + P331: IF SWALLOWED – rinse mouth; do not induce vomiting
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P303 + P361 + P353: IF ON SKIN – remove contaminated clothing; rinse skin with water
Storage Conditions
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Store in cool, dry, ventilated place
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Keep containers tightly closed
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Protect from sunlight and ignition sources
Transport Information
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ADR/RID: Class 3, UN1296 (for Triethylamine), PG II
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IMDG: Class 3, UN1296, PG II
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IATA: Class 3, UN1296, PG II