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O que (quem) é éthylène - definição

CHEMICAL COMPOUND

C2h4; Ethylenes; C2H4; CH2CH2; Ethene; C=C; Olefiant gas; Ethenes; Ethylene-ripened fruits; Bicarburetted hydrogen; Elayl; Etherin; Draft:Cycloethane; Ethylene group

ethylene

['???li:n, -?(?)l-]

¦ noun Chemistry a flammable hydrocarbon gas of the alkene series, occurring in natural gas and coal gas; ethene. [C₂H₄.]

Ethylene

·noun A colorless, gaseous hydrocarbon, C₂H₄, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), - hence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen.

Olefiant Gas

A compound gas; C2H4; composed of carbon, 24; hydrogen, 4; molecular weight, 28; specific gravity, .981. It is a dielectric of about the resistance of air. Its specific inductive capacity at atmospheric pressure is 1.000722 (Boltzman.) Synonym--Ethene; heavy carburetted hydrogen. [Transcriber's note: Also called ethylene. A primary use is polyethylene plastic.]

Wikipédia

Ethylene

Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula C₂H₄ or H₂C=CH₂. It is a colourless, flammable gas with a faint "sweet and musky" odour when pure. It is the simplest alkene (a hydrocarbon with carbon-carbon double bonds).

Ethylene is widely used in the chemical industry, and its worldwide production (over 150 million tonnes in 2016) exceeds that of any other organic compound. Much of this production goes toward polyethylene, a widely used plastic containing polymer chains of ethylene units in various chain lengths. Ethylene is also an important natural plant hormone and is used in agriculture to force the ripening of fruits. The hydrate of ethylene is ethanol.

https://en.wikipedia.org/wiki/Ethylene