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(organic chemistry)
C5H10 A cyclic hydrocarbon that is a colorless liquid; present in crude petroleum, it is converted during refining to aromatics which improve antiknock and combustion properties of gasoline.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(also pentamethylene), a saturated alicyclic hydrocarbon having the structural formula

Cyclopentane is one of the simplest cycloalkanes. A colorless liquid with a characteristic odor, it has a boiling point of 49.3°C, a melting point of –93.9°C, and a density of 0.745 g/cm3 at 20°C. Cyclopentane is insoluble in water, but it is miscible with benzene, ether, and acetone. It is a component of petroleums.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
When cyclopentane is used as the blowing agent, the mold cavity is typically flooded with nitrogen before pouring to eliminate ignitable gases.
[ClickPress, Wed Sep 26 2018] Growing need for the environment friendly insulators has led to an upsurge in demand for the cyclopentane products in the global market.
The primary contenders in North America are hydrofluorocarbons HFC-245fa and, to a lesser extent, HFC-134a (usually with high water levels for co-blowing with CO2), as well as the hydrocarbons cyclopentane, n-pentane, and isopentane.
In North America, HFC-245fa and to a lesser extent HFC-134a are the two key contenders, while cyclopentane, n-pentane, isopentane, and blends of these are the most popular hydrocarbons.
Germany's Elastogran GmbH discussed the performance of appliance foams using cyclopentane and/or EFC-245fa in comparison with foams using HCFC-141b.