Bis(chloroethyl) ether

Bis(chloroethyl) ether is an organic compound with the formula O(CH2CH2Cl)2.

[3] Bis(chloroethyl) ether is less reactive than the corresponding sulfur mustard S(CH2CH2Cl)2.

[3] In the presence of base, it reacts with catechol to form dibenzo-18-crown-6:[4] Bis(chloroethyl) ether can be used in the synthesis of the cough suppressant fedrilate.

It is combined with benzyl cyanide and two molar equivalents of sodamide in a ring-forming reaction.

When treated with strong base, it gives divinyl ether, an anesthetic:[5] The LD50 is 74 mg/kg (oral, rat).

NFPA 704 four-colored diamond Health 4: Very short exposure could cause death or major residual injury. E.g. VX gas Flammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oil Instability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calcium Special hazards (white): no code