Xylol - définition. Qu'est-ce que Xylol
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Qu'est-ce (qui) est Xylol - définition

AROMATIC HYDROCARBON
Xylol; Dimethylbenzene; Xylenes; Dimethyl benzene; Xylyl; Zyleen; Zylene; Dimethylbenzenes; Xilol; Dimethyl benzol
  • ''p''-xylene]]

Xylol         
·noun ·same·as Xylene.
xylene         
['z??li:n]
¦ noun Chemistry a volatile liquid hydrocarbon obtained by distilling wood or petroleum, used in fuels and solvents and in chemical synthesis.
Origin
C19: from xylo- + -ene.
Xylene         
·noun Any of a group of three metameric hydrocarbons of the aromatic series, found in coal and wood tar, and so named because found in crude wood spirit. They are colorless, oily, inflammable liquids, C6H4·(CH3)2, being dimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene. Called also xylol.

Wikipédia

Xylene

In organic chemistry, xylene or xylol (from Greek ξύλον (xylon) 'wood'; IUPAC name: dimethylbenzene) are any of three organic compounds with the formula (CH3)2C6H4. They are derived from the substitution of two hydrogen atoms with methyl groups in a benzene ring; which hydrogens are substituted determines which of three structural isomers results. It is a colorless, flammable, slightly greasy liquid of great industrial value.

The mixture is referred to as both xylene and, more precisely, xylenes. Mixed xylenes refers to a mixture of the xylenes plus ethylbenzene. The four compounds have identical empirical formulas C8H10. Typically the four compounds are produced together by various catalytic reforming and pyrolysis methods.