With alternate names 1,2-benzenediol and pyrocatechol, this compound is marketed under the name catechol as a component of photographic developer. It is is one of the many
derivatives of the aromatic hydrocarbons .
It is a white crystalline solid with a faint phenolic odor.
Warning: Catechol is an acute health hazard. It is toxic by inhalation and skin absorption. It is a sever eye and skin irritant. It is highly toxic to liver, kidney, and central nervous system. Severe dust explosion risk when dry.