2-Chloroethyl chloroformate is an organochlorine compound with the chemical formula . It is a colourless liquid with a pungent odor. It has a structure consisting of ethyl chloroformate with a chlorine atom as a substituent on the position 2 on the ethyl group.
2-Chloroethyl chloroformate is the sole product of the reaction between ethylene oxide and phosgene in the presence of a small amount of pyridine.
2-Chloroethyl chloroformate is commonly used as a reagent, especially for making derivatives of amines and carboxylic acids for analysis by gas chromatography.