1,2-Naphthoquinone

1,2-Naphthoquinone is an organic compound with the formula C₁₀H₆O₂. It is one of the two isomeric naphthoquinones, the other being 1,4-naphthoquinone. 1,2-Naphthoquinone forms by oxidation of 1,2-dihydronaphthalene.

Structure and properties

1,2-Naphthoquinone is a yellow solid. It is a quinone, an aromatic compound that has two carbonyl groups, C=O, located on the ring. The molecule is planar. It has a molar mass of 158.15 g/mol.

Synthesis

1,2-Naphthoquinone can be prepared by oxidation of 1,2-dihydronaphthalene with chromic acid.

Applications

1,2-Naphthoquinone is used as a dye and as a fungicide. It is also used in the synthesis of certain pharmaceuticals.

Health effects

Exposure to 1,2-Naphthoquinone can cause skin and eye irritation. It is also harmful if swallowed or inhaled.

See also

• 1,4-Naphthoquinone
• Quinone
• Naphthalene

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