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Common name Xylenes (mixture) o-Xylene: m-Xylene: p-Xylene: Systematic name: Dimethylbenzene 1,2-Dimethylbenzene 1,3-Dimethylbenzene 1,4-Dimethylbenzene Other names Xylol o-Xylol; Orthoxylene m-Xylol; Metaxylene p-Xylol; Paraxylene Molecular formula: C 8 H 10: SMILES: Cc1c(C)cccc1 Cc1cc(C)ccc1 Cc1ccc(C)cc1 Molar mass: 106.16 g/mol Appearance ...
The p-stands for para-, indicating that the two methyl groups in p-xylene occupy the diametrically opposite substituent positions 1 and 4. It is in the positions of the two methyl groups, their arene substitution pattern, that it differs from the other isomers, o-xylene and m-xylene. All have the same chemical formula C 6 H 4 (CH 3) 2. All ...
o-Xylene (ortho-xylene) is an aromatic hydrocarbon with the formula C 6 H 4 (CH 3) 2, with two methyl substituents bonded to adjacent carbon atoms of a benzene ring (the ortho configuration). It is a constitutional isomer of m -xylene and p -xylene , the mixture being called xylene or xylenes.
For example, the three isomers of xylene CH 3 C 6 H 4 CH 3, commonly the ortho-, meta-, and para-forms, are 1,2-dimethylbenzene, 1,3-dimethylbenzene, and 1,4-dimethylbenzene. The cyclic structures can also be treated as functional groups themselves, in which case they take the prefix "cyclo alkyl -" (e.g. "cyclohexyl-") or for benzene, "phenyl-".
m-xylene (1,3-dimethylbenzene) p-xylene (1,4-dimethylbenzene) Other. Ethylbenzene (not a true xylene but present in mixtures called "mixed xylenes") Styrene;
It occurs naturally in willow (), tea, hyacinth, zucchini (Cucurbita pepo). [3] It appears to attract bees as it has a powerful response in their antenna. [4] In a study in mice, Iranian scientists identified 1,4-dimethoxybenzene as the major psychoactive chemical in musk willow (Salix aegyptiaca) by its ability to cause somnolescence and depressed activity.
The m-stands for meta-, indicating that the two methyl groups in m-xylene occupy positions 1 and 3 on a benzene ring. It is in the positions of the two methyl groups, their arene substitution pattern, that it differs from the other isomers, o-xylene and p-xylene. All have the same chemical formula C 6 H 4 (CH 3) 2. All xylene isomers are ...
Common names Veratrole: Systematic Name: 1,2-Dimethoxybenzene 1,3-Dimethoxybenzene 1,4-Dimethoxybenzene Structural Formula: CAS Registry Number: 91-16-7 151-10-0