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  • p-Benzoquinone (1,4 benzoquinone) : Organic synthesis

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  • 1,4 benzoquinone sublimation | Purification of Organic Compound |

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  • Preparation of 1,4-benzoqinone

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  • Chapter 17 - Oxidation of Phenols to Quinone

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  • Quinone

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1,4-Benzoquinone, commonly known as para-quinone, is a chemical compound with the formula C6H4O2. In a pure state, it forms bright-yellow crystals with a characteristic irritating odor, resembling that of chlorine, bleach, and hot plastic or formaldehyde. This six-membered ring compound is the oxidized derivative of 1,4-hydroquinone. The molecule is multifunctional: it exhibits properties of a ketone, forming an oxime; an oxidant, forming the dihydroxy derivative; and an alkene, undergoing addition reactions, especially those typical for α,β-unsaturated ketones. 1,4-Benzoquinone is sensitive toward both strong mineral acids and alkali, which cause condensation and decomposition of the compound.

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