pyrogallol

pyrogallol –ĭk [key], C₆H₆O₃, white, crystalline, aromatic compound with a biting taste; it is poisonous. It melts at 133℃ and boils at 309℃. In alkaline solution it is an active reducing agent. Pyrogallol is widely used in photographic developing and in the manufacture of some dyes. Chemically it is a phenol; its IUPAC name is 1,2,3-trihydroxybenzene.

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