Potassium Dichromate

<p><b >Potassium dichromate</b>, K<sub >2</sub>Cr<sub >2</sub>O<sub >7</sub>, is a common&nbsp;<a href="http://en.wikipedia.org/wiki/Inorganic_compound" title="Inorganic compound" >inorganic</a>&nbsp;chemical reagent, most commonly used as an&nbsp;<a href="http://en.wikipedia.org/wiki/Oxidising_agent" title="Oxidising agent" class="mw-redirect" >oxidising agent</a>&nbsp;in various laboratory and industrial applications.&nbsp;</p>

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As with all&nbsp;<a href="http://en.wikipedia.org/wiki/Hexavalent_chromium" title="Hexavalent chromium" >hexavalent chromium</a>&nbsp;compounds, it is potentially harmful to health and must be handled and disposed of appropriately.&nbsp;</p>

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It is a crystalline ionic solid with a very bright, red-orange color.&nbsp;</p>

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It is also known as&nbsp;<b >potassium bichromate</b>;&nbsp;<b >bichromate of potash</b>;<b >dipotassium dichromate</b>;&nbsp;<b ><a href="http://en.wikipedia.org/wiki/Dichromic_acid" title="Dichromic acid" class="mw-redirect" >dichromic acid</a>, dipotassium salt</b>;&nbsp;<b ><a href="http://en.wikipedia.org/wiki/Chromic_acid" title="Chromic acid" >chromic acid</a>, dipotassium salt</b>; and&nbsp;<b ><a href="http://en.wikipedia.org/wiki/Lopezite" title="Lopezite" >lopezite</a></b>.<sup id="cite_ref-0" class="reference" ><a href="http://en.wikipedia.org/wiki/Potassium_dichromate#cite_note-0" >[1]</a></sup></p>