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Imide
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<p>In <a href="/facts/Organic_chemistry/djxhxaNg">organic chemistry</a>, an imide is a <a href="/facts/Functional_group/GXkSPsjM">functional group</a> consisting of two <a href="/facts/Acyl/1vRPrmUX">acyl</a> groups bound to <a href="/facts/Nitrogen/Nf1QpGDz">nitrogen</a>. The compounds are structurally related to <a href="/facts/Acid_anhydride/0LvHIgAY">acid anhydrides</a>, although imides are more resistant to hydrolysis. In terms of commercial applications, imides are best known as components of high-strength polymers, called <a href="/facts/Polyimide/4nW9HVKF">polyimides</a>. <a href="/facts/Inorganic_imide/mmRpNx6a">Inorganic imides</a> are also known as solid state or gaseous compounds, and the imido group (=NH) can also act as a <a href="/facts/Ligand/6etB3qeW">ligand</a>. </p>