1. A colorless crystalline organic compound (C₆H₄(OH)₂) derived from coal tar or synthesized, used in photography, dyes, and pharmaceutical manufacturing.
Usage: chemistry; also called catechol or 1,2-dihydroxybenzene

Examples

• Pyrocatechol is an important intermediate in the synthesis of various dyes and pigments.
• The chemical structure of pyrocatechol contains two hydroxyl groups attached to a benzene ring.
• Photographers historically used pyrocatechol as a developing agent in film processing.
• Pyrocatechol derivatives are used in the pharmaceutical industry to produce certain medications.
• The compound pyrocatechol can be extracted from coal tar or manufactured through organic synthesis.