isobutane


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isobutane

(ī'səbyo͞o`tān): see butanebutane
, C4H10, gaseous alkane, a hydrocarbon that is obtained from natural gas or by refining petroleum. It can be liquefied at room temperature by compression. There are two structural isomers of butane.
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isobutane

[¦ī·sō′byü‚tān]
(organic chemistry)
(CH3)2CHCH3 A colorless, stable gas, noncorrosive to metals, nonreactive with water; boils at -11.7°C; used as a chemical intermediate, refrigerant, and fuel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Butane and isobutane (purity > 99.5%) were purchased from Sumitomo Seika Chemicals Co., Ltd.
Japanese fridge makers took time to study and determine isobutane's safety because there was no safety standard.
A pathologist had concluded that the presence of butane and isobutane in a blood sample suggested he had recently used lighter fuel.
Loop reactors use isobutane as a diluent; tanks use hexane.
As a nucleating agent, it is recommended for direct-gas systems using freons, pentane, butane, isobutane, nitrogen and carbon dioxide.
As a nucleating agent, it is recommended for direct-gassed systems using freons, pentane, butane, isobutane, nitrogen and carbon dioxide.
The spheres contain isobutane, which causes them to expand 35-fold when softened at 200-225 F.