isobutane

[ ahy-suh-byoo-teyn, -byoo-teyn ]

noun

, Chemistry.

1. a colorless, flammable gas, C 4 H 10 , used as a fuel, as a refrigerant, and in the manufacture of gasoline by alkylation.

Word History and Origins

Origin of isobutane¹

First recorded in 1875–80; iso- + butane

Example Sentences

Greenpeace advocates in Germany had worked closely with refrigeration engineers to develop what came to be known as Greenfreeze cooling equipment: machines that used hydrocarbons, including isobutane and propane, as refrigerants.

From Salon

Propane and isobutane - also in Giorgia's deodorant - were mentioned in 123 and 38 deaths respectively.

From BBC

Look for any ingredients that end in “-ane,” such as propane, butane and isobutane, Plescia said.

From Washington Post

One source of unintentional benzene comes from propellants such as isobutane.

From Seattle Times

Two damaged gas pipelines leaked isobutane and propylene, flammable chemicals that are hazardous to human health.

From New York Times