In the absence of the catalyst, benzene is impervious to hydrogen.
en.wikipedia.org Until the late 1970s, many hardware stores, paint stores, and other retail outlets sold benzene in small cans, such as quart size, for general-purpose use.
en.wikipedia.org In the body, benzene is enzymatically converted to a series of oxidation products including muconic acid, phenylmercapturic acid, phenol, catechol, hydroquinone and 1,2,4-trihydroxybenzene.
en.wikipedia.org Because its molecules contain only carbon and hydrogen atoms, benzene is classed as a hydrocarbon.
en.wikipedia.org Solvents used for this preparation include benzene, cyclohexane, and diethyl ether.
en.wikipedia.org