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Chromic Acid

Chromic Acid

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Chromic Acid

Chromic Acid CAS number : 7738-94-5 Synonyms : Chromic(VI) acid, Tetraoxochromic acid Molecular formula : H2CrO4 Molar mass : 118.01 g mol−1 Melting point : 197 °C, 470 K, 387 °F Boiling point : 250 °C, 523 K, 482 °F (decomposes)

The term chromic acid is usually used for a mixture made by adding concentrated sulfuric acid to a dichromate, which may contain a variety of compounds, including solid chromium trioxide. This kind of chromic acid may be used as a cleaning mixture for glass. Chromic acid may also refer to the molecular species, H2CrO4 of which the trioxide is the anhydride. Chromic acid features chromium in an oxidation state of +6 (or VI). It is a strong and corrosive oxidising agent.