Xylene is a colorless, flammable aromatic hydrocarbon used as a solvent and chemical intermediate. It consists of dimethylbenzene isomers and is typically derived from coal tar or petroleum. In practice, xylene refers to any of the three isomers (ortho-, meta-, para-xylene) and is widely used in industry, paint thinning, and sample preparation, with attention to inhalation safety and VOC emissions.
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