This name was replaced shortly after by the word toluene derived from the older name toluol, which refers to tolu balsam, an aromatic extract from the tropical Colombian tree Myroxylon balsamum, from which it was also isolated later.
However, most petrochemical reactors are catalytic, and are responsible for most of industrial chemical production in the world, with extremely high-volume examples such as sulfuric acid, ammonia, reformate/BTEX (benzene, toluene, ethylbenzene and xylene) and alkylate gasoline blending stock.
Gas flares have potentially harmful effects on the health and livelihood of the communities in their vicinity, as they release a variety of poisonous chemicals including nitrogen dioxides, sulphur dioxide, volatile organic compounds like benzene, toluene, xylene and hydrogen sulfide, as well as carcinogens like benzapyrene and dioxins.
Nephrolepis obliterata has the added benefit of reducing indoor air pollution, particularly formaldehyde, xylene, and toluene.
The most common substances are inhalants, such as solvents, rugby (a toluene-based glue) and cough syrups, followed by marijuana and shabu.
He attended the Glasgow Academy and then continued his education at the University of Glasgow with Thomas Anderson and then went to study in Germany at the University of Tübingen with Wilhelm Rudolph Fittig where his doctoral thesis was entitled Investigations in the Toluic and Nitrotoluic Acids.