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Reference.org
Resorcinol
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<p>Resorcinol (or resorcin) is a phenolic compound. It is an <a href="/facts/Organic_compound/gqCNaN45">organic compound</a> with the formula C6H4(OH)2. It is one of three <a href="/facts/Isomer/PXlvDVdg">isomeric</a> <a href="/facts/Benzenediol/LCm0bf1g">benzenediols</a>, the 1,3-isomer (or <i><a href="/facts/Meta-_(chemistry)/o88a4KQ2">meta</a></i>-isomer). Resorcinol crystallizes from <a href="/facts/Benzene/Fguue7nr">benzene</a> as colorless needles that are readily soluble in water, alcohol, and ether, but insoluble in <a href="/facts/Chloroform/gvzuJMXa">chloroform</a> and <a href="/facts/Carbon_disulfide/b04Tadmy">carbon disulfide</a>. </p>