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toluene |
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toluene (tōl`y ēn') or methylbenzene (mĕth'əlbĕn`zēn), C7H8, colorless liquid aromatic hydrocarbon that melts at −95°C; and boils at 110.8°C;. It is insoluble in water but highly soluble in most organic solvents. Toluene is obtained from coal tar and petroleum by distillation. It is used as a solvent and as a starting material for the synthesis of many compounds, including dyes and explosives. When toluene is treated with a mixture of nitric and sulfuric acids (a process known as nitration), trinitrotoluene trinitrotoluene or TNT (trī'nī'trōtŏl`y..... Click the link for more information. (TNT) is produced. tolueneColourless, flammable, toxic liquid hydrocarbon aromatic compound (C6H5CH3), the methyl derivative of benzene. Found in coal-tar light oil and in petroleum, it is obtained chiefly from the processing of petroleum fractions. It is used as a solvent, diluent, and thinner; as an antiknock additive in airplane gasoline; and as a raw material for TNT, benzoic acid and its derivatives, saccharin, dyes, photographic chemicals, and pharmaceuticals. |
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| Bayer MaterialSeienee LLC, Pittsburgh, PA, has lifted Force Majeure regarding its ability to supply toluene diisocyanate (TDI) products in North America, effective January 1, 2007. Print workers are exposed to organic solvents, of which the systemic toxicant toluene is a main component. Students use scientific data to draw conclusions about the effects of toluene (a toxic component of many inhalants) on brain chemistry, behavior, and motor activity; students learn that the chemicals in inhalant vapors can lead to addiction. |
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