Synonyms: Blue Copper; Blue stone; Blue Vitriol; copperfine-zinc; Copper(II)Sulfate Pentahydrate; copper sulfate; cupric sulfate; Cupric sulfate, pentahydrate; copper (II) sulfate pentahydrate (1:1:5); Copper sulfate pentahydrate; Fehling A solution; Fehling solution A; Hi-chel; natural chalcanthite; roman vitriol; salzburg vitriol; Sulfuric acid, copper(2+) salt (1:1) pentahydrate; sulfuric acid, copper (2+) salt, pentahydrate; triangle; Cupric sulphate pentahydrate; Copper Sulphate; Copper (II) sulfate; Copper sulfate,feeded; Cupric sulfate,feeded; Copper sulfate,medicinal; Copper Sulphate Pentahydrate