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Difference between toluene and p-xylene
In the field of chemical industry, toluene and p-xylene seem to be similar, but in fact they are different in nature. Correctly distinguishing their essential characteristics is very important for chemical production, separation and purification. This article will analyze the difference between toluene and p-diphenylxylene in depth from multiple dimensions to help you quickly grasp their characteristics.
1. molecular structure and spatial arrangement
Toluene has the formula C7H8 and is structurally linked to a methyl group. The methyl substituent on the benzene ring determines its activity in chemical reactions. Para-xylene has the formula C8H10 and is structurally two methyl groups substituted for two adjacent carbon atoms on the benzene ring. Due to the different position of the methyl group, the spatial arrangement of the two substances is also different. This small structural difference leads to significant differences in their physical properties and chemical reactivity.
In the molecular structure, the spatial arrangement of toluene is relatively compact, while p-xylene has different intermolecular interactions due to the different positions of the two methyl substituents. This difference directly affects their solubility, reactivity and other key properties.
2. density and boiling point difference
Density and boiling point are important basis for distinguishing toluene from p-xylene. Toluene has a density of 0.864g/cm³ and a boiling point of 110.6°C, while paraxylene has a density of 0.867g/cm³ and a boiling point of 114°C. on the surface
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