Ethyl Bromide

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ethyl bromide

[′eth·əl ′brō‚mīd]
(organic chemistry)
C2H5Br A colorless liquid, boiling at 39°C; used as a refrigerant and in organic synthesis.

Ethyl Bromide


(also bromoethane), C2H5Br, a colorless liquid with a weak ethereal odor. Ethyl bromide has a melting point of – 119°C, a boiling point of 38.3°C, and a density of 1.459 g/cm3 at 20°C. It is poorly soluble in water.

Ethyl bromide is produced from ethyl alcohol according to the reaction

C2H5OH + KBr + H2SO4 → C2H5Br + KHSO4 + H2O

It is used in organic synthesis for the introduction of the ethyl group, C2H5—. It is also used as a component of antiknock fluids in gasoline (see).