CAS Number:541‑41‑3
Synonyms: Ethyl chloroformate; Ethyl chlorocarbonate; Chloroformic acid ethyl ester; Cathyl chloride; ECF
Chemical Formula::C₃H₅ClO₂
Product Introduction
Ethyl chloroformate is a colorless, corrosive, highly reactive liquid with a pungent odor. Used as a reagent in organic synthesis for introducing ethyl carbamate protecting groups, forming carboxylic anhydrides, and derivatizing compounds for GC analysis.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odor | Sharp, pungent (like HCl) |
| Density @ 25 °C | ~1.135 g/cm³ |
| Melting Point | –81 °C |
| Boiling Point | ~93 °C |
| Flash Point (CC) | ~10–16 °C |
| Vapor Pressure @ 20 °C | ~54 hPa |
| Vapor Density | ~3.7–3.75 × air |
| Refractive Index (n₂₀ᴅ) | ~1.395 |
| Solubility | Reacts/decomposes in water; miscible with alcohols, ethers, benzene |
| Explosion Limits | 3.7–12.6 % |