benzoquinone

/ ˌbɛnzəʊkwɪˈnəʊn; -ˈkwɪnəʊn /

noun

1. a yellow crystalline water-soluble unsaturated ketone manufactured from aniline and used in the production of dyestuffs. Formula: C 6 H 4 O 2 Also calledquinone Systematic namecyclohexadiene-1,4-quinone

Example Sentences

When threatened, they mix chemicals in their hindquarters, hydrogen peroxide and hydroquinones, to produce an explosion of searing benzoquinone irritant.

From The Guardian

Thus there is quinone itself, or benzoquinone, which is benzene with two atoms of oxygen replacing two atoms of hydrogen.

From Project Gutenberg