- Colorless liquid; used as heat transfer agent, frequently as polychlorinated biphenyls (PCBs); as fungistat for oranges (applied to inside of shipping container or wrappers); and in organic syntheses. Produces convulsions and central nervous system depression. SYN: biphenyl, phenylbenzene.
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* * *di·phen·yl (di-fenґəl) a colorless toxic compound, comprising two linked benzene rings, used as a fungistat in containers for shipping citrus fruit. Called also biphenyl.
Medical dictionary. 2011.