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A highly volatile and
water-soluble benzene derivative that is highly toxic to most forms of
life. Its estimated lifespan in air is 60 hours in the case of a
photochemical reaction with hydroxyl radical and is eventually oxidized to
carbon dioxide. Toluene is used in a variety of industries including the
manufacture of TNT, pharmaceuticals, rubbers, and other benzene
derivatives, and is also a fuel additive and a paint solvent. Toluene also
reaches the atmosphere from natural sources such as coal tar, mineral
oils, and forest fires.
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