Similar names: Pyrocatechol (8CI); 1,2-Dihydroxybenzene; 1,2-Hydroxybenzene; 2-Hydroxyphenol; C.I. 76500; C.I. Oxidation Base 26; Catechol; Catechol (phenol); Durafur Developer C; Fouramine PCH; Fourrine 68; NSC 1573; Oxyphenic acid; Pelagol Grey C; Phthalhydroquinone; Phthalic alcohol; Pyrocatechin; Pyrocatechine; Z 1; Z 1 (inhibitor); o-Benzenediol; o-Dihydroxybenzene; o-Dioxybenzene; o-Hydroquinone; o-Hydroxyphenol; o-Phenylenediol