Ethyl chloride is an inexpensive ethylating agent. It reacts with aluminium metal to give ethylaluminium sesquichloride, a precursor to polymers and other useful organoaluminium compounds.<unk>  is used to convert cellulose to ethylcellulose, a thickening agent and binder in paints, cosmetics, and similar products. Like other chlorinated hydrocarbons,<unk>  has been used as a refrigerant, an aerosol spray propellant, an anesthetic, and a blowing agent for foam packaging. For a time it was used as a promoter chemical in the aluminium chloride catalyzed process to produce ethylbenzene, the precursor for styrene monomer. At present though, it is not widely used in any of these roles. Obsolete uses Beginning in 1922 and continuing through most of the 20th century, the major use of<unk>  was to produce tetraethyllead (TEL), an anti-knock additive for gasoline. TEL has been or is being phased out in most of the industrialized world, and the demand for<unk>  has fallen sharply. Niche uses It acts as a mild topical anesthetic by its chilling effect when sprayed on skin, such as when removing splinters or incising abscesses in a clinical setting. It was standard equipment in “casualty” wards. It was commonly used to induce general anaesthesia before continuing with di-ethyl ether, which had a very much slower up-take. The heat absorbed by the boiling liquid on tissues produces a deep and rapid chill. In dentistry,<unk>  is used as one of the means of diagnosing a 'dead tooth', i.e. one in which the pulp has died. A small amount of the substance is placed on the suspect tooth using a cotton wad.<unk> 's low boiling point creates a localised chilling effect. If the tooth is still alive this should be sensed by the patient as mild discomfort that subsides when the wad is removed.
Chloroethane
Ethylene glycol
Triphenylchloroethylene
Triphenylbromoethylene
Dichloroacetic acid
Chloroform
Perfluoroisobutene
Desmethylchlorotrianisene