H2CrO4 or H2Cr2O7; a strong oxidizing agent formed by dissolving chromium trioxide (CrO3) in water. Has been used in solution as a topical antiseptic.
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chromic acid n an acid H2CrO4 analogous to sulfuric acid but known only in solution and esp. in the form of its salts (as lead chromate) most of which are yellow and are toxic causing ulcers on the skin or mucous membranes
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chro·mic ac·id (kroґmik) the common name for chromium trioxide (CrO3), although the term strictly refers to the species H2CrO4, which exists only in aqueous solution. It is a highly toxic, corrosive, strong oxidizing agent.Medical dictionary. 2011.