Preferred Label : Polychlorinated Biphenyl;
NCIt synonyms : Chlorinated Biphenyls; Chlorinated Biphenylsl; Chlorobiphenyls; PCBs; PCB;
NCIt definition : Polychlorinated Biphenyls (PCBs) are a family of more than 200 chemical compounds
(congeners) with 1 to 10 chlorine atoms attached to biphenyl and a general structure
of C12H10-xClx. PCBs were commercially produced as complex mixtures of congeners at
different degrees of chlorination for a variety of applications. Their use was based
on their chemical stability, and desirable physical properties. According to WHO,
several congeners are now considered to be dioxin-like because of their toxicity and
certain features of their structure similar to 2,3,7,8-tetrachlorodibenzo-p-dioxin.
PCBs are not readily biodegradable, their use declined and was essentially terminated
because of environmental concerns. USA stopped producing PCBs in 1977. (NCI);
CAS number : 80-38-6; 1336-36-3;
NSC code : 406662;
ChEBI ID : CHEBI:53156;
Origin ID : C760;
UMLS CUI : C0032447;
Currated CISMeF NLP mapping
- Semantic type(s)
- UMLS correspondences (same concept)
