CAS Number:121‑44‑8
Synonyms:N,N‑Diethylethanamine; Et₃N; TEA
General Formula:(C₂H₅)₃N
Product Introduction
A colorless liquid with a strong fishy/ammoniacal odor. A tertiary aliphatic amine used as a base, catalyst, solvent, and pH-adjuster in organic synthesis, coatings, fuels, and chromatography.
| Property | Value |
|---|---|
| Appearance | Colorless, clear liquid |
| Odor | Fishy/ammonia-like |
| Density | ~0.7255 g/mL @ 20 °C |
| Boiling Point | 89–90 °C |
| Melting Point | –115 °C |
| Flash Point | ~–7 °C |
| Vapor Pressure | ~6.9–8.5 kPa @ 20 °C |
| Solubility | ~112 g/L water; miscible with organics |
| pKa (conj. acid) | ~10.75 (aq) |
| NFPA Rating | Health 3, Flammability 3, Reactivity 0 |
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