PCB congener list

Last updated

This is a complete list of polychlorinated biphenyl (PCB) congeners.

Contents

Chemical structure of PCBs. The possible positions of chlorine atoms on the benzene rings are denoted by numbers assigned to the carbon atoms. PCB Lokanten.svg
Chemical structure of PCBs. The possible positions of chlorine atoms on the benzene rings are denoted by numbers assigned to the carbon atoms.

PCB congener list

Explanation of PCB "descriptors"

Congener descriptors give a shorthand notation for geometry and substituent positions. The twelve congeners that display all four of the descriptors are referred to as being "dioxin-like", referring both to their toxicity and structural features which make them similar to 2,3,7,8-tetrachlorodibenzo-p-dioxin (2378-TCDD). [1] Individual congeners are identified by the number and position of the chlorine atoms around the biphenyl rings. [2]

CP0 / CP1

These 68 coplanar congeners fall into one of two groups. The first group of 20 congeners consists of those with chlorine substitution at none of the ortho positions on the biphenyl backbone and are referred to as CP0 or non-ortho congeners. The second group of 48 congeners includes those with chlorine substitution at only one of the ortho positions and are referred to as CP1 or mono-ortho congeners.

4CL

These 169 congeners have a total of four or more chlorine substituents, regardless of position.

PP

These 54 congeners have both para positions chlorinated.

2M

These 140 congeners have two or more of the meta positions chlorinated.

IUPAC NameBZ [3] Congener NumberCASNRInchikeyDescriptors
Biphenyl092-52-4ZUOUZKKEUPVFJK-UHFFFAOYSA-N
2-Chlorobiphenyl12051-60-7LAXBNTIAOJWAOP-UHFFFAOYSA-NCP1
3-Chlorobiphenyl22051-61-8NMWSKOLWZZWHPL-UHFFFAOYSA-NCP0
4-Chlorobiphenyl32051-62-9FPWNLURCHDRMHC-UHFFFAOYSA-NCP0
2,2'-Dichlorobiphenyl413029-08-8JAYCNKDKIKZTAF-UHFFFAOYSA-N
2,3-Dichlorobiphenyl516605-91-7XOMKZKJEJBZBJJ-UHFFFAOYSA-NCP1
2,3'-Dichlorobiphenyl625569-80-6ZHBBDTRJIVXKEX-UHFFFAOYSA-NCP1
2,4-Dichlorobiphenyl733284-50-3WEJZHZJJXPXXMU-UHFFFAOYSA-NCP1
2,4'-Dichlorobiphenyl834883-43-7UFNIBRDIUNVOMX-UHFFFAOYSA-NCP1
2,5-Dichlorobiphenyl934883-39-1KKQWHYGECTYFIA-UHFFFAOYSA-NCP1
2,6-Dichlorobiphenyl1033146-45-1IYZWUWBAFUBNCH-UHFFFAOYSA-N
3,3'-Dichlorobiphenyl112050-67-1KTXUOWUHFLBZPW-UHFFFAOYSA-NCP0, 2M
3,4-Dichlorobiphenyl122974-92-7ZGHQUYZPMWMLBM-UHFFFAOYSA-NCP0
3,4'-Dichlorobiphenyl132974-90-5CJDNEKOMKXLSBN-UHFFFAOYSA-NCP0
3,5-Dichlorobiphenyl1434883-41-5QHZSDTDMQZPUKC-UHFFFAOYSA-NCP0, 2M
4,4'-Dichlorobiphenyl152050-68-2YTBRNEUEFCNVHC-UHFFFAOYSA-NCP0, PP
2,2',3-Trichlorobiphenyl1638444-78-9XVIZMMSINIOIQP-UHFFFAOYSA-N
2,2',4-Trichlorobiphenyl1737680-66-3YKKYCYQDUUXNLN-UHFFFAOYSA-N
2,2',5-Trichlorobiphenyl1837680-65-2DCMURXAZTZQAFB-UHFFFAOYSA-N
2,2',6-Trichlorobiphenyl1938444-73-4MVXIJRBBCDLNLX-UHFFFAOYSA-N
2,3,3'-Trichlorobiphenyl2038444-84-7SXHLTVKPNQVZGL-UHFFFAOYSA-NCP1, 2M
2,3,4-Trichlorobiphenyl2155702-46-0IUYHQGMDSZOPDZ-UHFFFAOYSA-NCP1
2,3,4'-Trichlorobiphenyl2238444-85-8ZMHWQAHZKUPENF-UHFFFAOYSA-NCP1
2,3,5-Trichlorobiphenyl2355720-44-0GBUCDGDROYMOAN-UHFFFAOYSA-NCP1, 2M
2,3,6-Trichlorobiphenyl2455702-45-9LVROLHVSYNLFBE-UHFFFAOYSA-N
2,3',4-Trichlorobiphenyl2555712-37-3XBBZAULFUPBZSP-UHFFFAOYSA-NCP1
2,3',5-Trichlorobiphenyl2638444-81-4ONNCPBRWFSKDMQ-UHFFFAOYSA-NCP1, 2M
2,3',6-Trichlorobiphenyl2738444-76-7VQOFJPFYTCHPTR-UHFFFAOYSA-N
2,4,4'-Trichlorobiphenyl287012-37-5BZTYNSQSZHARAZ-UHFFFAOYSA-NCP1, PP
2,4,5-Trichlorobiphenyl2915862-07-4VGVIKVCCUATMNG-UHFFFAOYSA-NCP1
2,4,6-Trichlorobiphenyl3035693-92-6MTLMVEWEYZFYTH-UHFFFAOYSA-N
2,4',5-Trichlorobiphenyl3116606-02-3VAHKBZSAUKPEOV-UHFFFAOYSA-NCP1
2,4',6-Trichlorobiphenyl3238444-77-8IHIDFKLAWYPTKB-UHFFFAOYSA-N
2,3',4'-Trichlorobiphenyl3338444-86-9RIMXLXBUOQMDHV-UHFFFAOYSA-NCP1
2,3',5'-Trichlorobiphenyl3437680-68-5GXVMAQACUOSFJF-UHFFFAOYSA-NCP1, 2M
3,3',4-Trichlorobiphenyl3537680-69-6JHBVPKZLIBDTJR-UHFFFAOYSA-NCP0, 2M
3,3',5-Trichlorobiphenyl3638444-87-0RIBGNAJQTOXRDK-UHFFFAOYSA-NCP0, 2M
3,4,4'-Trichlorobiphenyl3738444-90-5YZANRISAORXTHU-UHFFFAOYSA-NCP0, PP
3,4,5-Trichlorobiphenyl3853555-66-1BSFZSQRJGZHMMV-UHFFFAOYSA-NCP0, 2M
3,4',5-Trichlorobiphenyl3938444-88-1SYSBNFJJSJLZMM-UHFFFAOYSA-NCP0, 2M
2,2',3,3'-Tetrachlorobiphenyl4038444-93-8VTLYHLREPCPDKX-UHFFFAOYSA-N4CL, 2M
2,2',3,4-Tetrachlorobiphenyl4152663-59-9SEWHDNLIHDBVDZ-UHFFFAOYSA-N4CL
2,2',3,4'-Tetrachlorobiphenyl4236559-22-5ALFHIHDQSYXSGP-UHFFFAOYSA-N4CL
2,2',3,5-Tetrachlorobiphenyl4370362-46-8NRBNBYFPJCCKTO-UHFFFAOYSA-N4CL, 2M
2,2',3,5'-Tetrachlorobiphenyl4441464-39-5ALDJIKXAHSDLLB-UHFFFAOYSA-N4CL, 2M
2,2',3,6-Tetrachlorobiphenyl4570362-45-7VHGHHZZTMJLTJX-UHFFFAOYSA-N4CL
2,2',3,6'-Tetrachlorobiphenyl4641464-47-5CUGLICQCTXWQNF-UHFFFAOYSA-N4CL
2,2',4,4'-Tetrachlorobiphenyl472437-79-8QORAVNMWUNPXAO-UHFFFAOYSA-N4CL, PP
2,2',4,5-Tetrachlorobiphenyl4870362-47-9XBTHILIDLBPRPM-UHFFFAOYSA-N4CL
2,2',4,5'-Tetrachlorobiphenyl4941464-40-8ZWPVHELAQPIZHO-UHFFFAOYSA-N4CL
2,2',4,6-Tetrachlorobiphenyl5062796-65-0VLLVVZDKBSYMCG-UHFFFAOYSA-N4CL
2,2',4,6'-Tetrachlorobiphenyl5168194-04-7WVHNUGRFECMVLQ-UHFFFAOYSA-N4CL
2,2',5,5'-Tetrachlorobiphenyl5235693-99-3HCWZEPKLWVAEOV-UHFFFAOYSA-N4CL, 2M
2,2',5,6'-Tetrachlorobiphenyl5341464-41-9SFTUSTXGTCCSHX-UHFFFAOYSA-N4CL
2,2',6,6'-Tetrachlorobiphenyl5415968-05-5PXAGFNRKXSYIHU-UHFFFAOYSA-N4CL
2,3,3',4-Tetrachlorobiphenyl5574338-24-2ZKGSEEWIVLAUNH-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',4'-Tetrachlorobiphenyl5641464-43-1UNCGJRRROFURDV-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',5-Tetrachlorobiphenyl5770424-67-8DHDBTLFALXRTLB-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',5'-Tetrachlorobiphenyl5841464-49-7IOPBNBSKOPJKEG-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',6-Tetrachlorobiphenyl5974472-33-6WZNAMGYIQPAXDH-UHFFFAOYSA-N4CL, 2M
2,3,4,4'-Tetrachlorobiphenyl6033025-41-1XLDBTRJKXLKYTC-UHFFFAOYSA-NCP1, 4CL, PP
2,3,4,5-Tetrachlorobiphenyl6133284-53-6HLQDGCWIOSOMDP-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,4,6-Tetrachlorobiphenyl6254230-22-7HOBRTVXSIVSXIA-UHFFFAOYSA-N4CL
2,3,4',5-Tetrachlorobiphenyl6374472-34-7CITMYAMXIZQCJD-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,4',6-Tetrachlorobiphenyl6452663-58-8FXRXQYZZALWWGA-UHFFFAOYSA-N4CL
2,3,5,6-Tetrachlorobiphenyl6533284-54-7BLAYIQLVUNIICD-UHFFFAOYSA-N4CL, 2M
2,3',4,4'-Tetrachlorobiphenyl6632598-10-0RKLLTEAEZIJBAU-UHFFFAOYSA-NCP1, 4CL, PP
2,3',4,5-Tetrachlorobiphenyl6773575-53-8LQEGJNOKOZHBBZ-UHFFFAOYSA-NCP1, 4CL, 2M
2,3',4,5'-Tetrachlorobiphenyl6873575-52-7KTTXLLZIBIDUCR-UHFFFAOYSA-NCP1, 4CL, 2M
2,3',4,6-Tetrachlorobiphenyl6960233-24-1CKUBKYSLNCKBOI-UHFFFAOYSA-N4CL
2,3',4',5-Tetrachlorobiphenyl7032598-11-1KENZYIHFBRWMOD-UHFFFAOYSA-NCP1, 4CL, 2M
2,3',4',6-Tetrachlorobiphenyl7141464-46-4WYVBETQIUHPLFO-UHFFFAOYSA-N4CL
2,3',5,5'-Tetrachlorobiphenyl7241464-42-0WBTMFEPLVQOWFI-UHFFFAOYSA-NCP1, 4CL, 2M
2,3',5',6-Tetrachlorobiphenyl7374338-23-1HDULUCZRGGWTMZ-UHFFFAOYSA-N4CL, 2M
2,4,4',5-Tetrachlorobiphenyl7432690-93-0TULCXSBAPHCWCF-UHFFFAOYSA-NCP1, 4CL, PP
2,4,4',6-Tetrachlorobiphenyl7532598-12-2RZFZBHKDGHISSH-UHFFFAOYSA-N4CL, PP
2,3',4',5'-Tetrachlorobiphenyl7670362-48-0QILUYCYPNYWMIL-UHFFFAOYSA-NCP1, 4CL, 2M
3,3',4,4'-Tetrachlorobiphenyl7732598-13-3UQMGJOKDKOLIDP-UHFFFAOYSA-NCP0, 4CL, PP, 2M
3,3',4,5-Tetrachlorobiphenyl7870362-49-1SXFLURRQRFKBNN-UHFFFAOYSA-NCP0, 4CL, 2M
3,3',4,5'-Tetrachlorobiphenyl7941464-48-6QLCTXEMDCZGPCG-UHFFFAOYSA-NCP0, 4CL, 2M
3,3',5,5'-Tetrachlorobiphenyl8033284-52-5UTMWFJSRHLYRPY-UHFFFAOYSA-NCP0, 4CL, 2M
3,4,4',5-Tetrachlorobiphenyl8170362-50-4BHWVLZJTVIYLIV-UHFFFAOYSA-NCP0, 4CL, PP, 2M
2,2',3,3',4-Pentachlorobiphenyl8252663-62-4AUGNBQPSMWGAJE-UHFFFAOYSA-N4CL, 2M
2,2',3,3',5-Pentachlorobiphenyl8360145-20-2SUBRHHYLRGOTHL-UHFFFAOYSA-N4CL, 2M
2,2',3,3',6-Pentachlorobiphenyl8452663-60-2QVWUJLANSDKRAH-UHFFFAOYSA-N4CL, 2M
2,2',3,4,4'-Pentachlorobiphenyl8565510-45-4LACXVZHAJMVESG-UHFFFAOYSA-N4CL, PP
2,2',3,4,5-Pentachlorobiphenyl8655312-69-1AIURIRUDHVDRFQ-UHFFFAOYSA-N4CL, 2M
2,2',3,4,5'-Pentachlorobiphenyl8738380-02-8OPKYDBFRKPQCBS-UHFFFAOYSA-N4CL, 2M
2,2',3,4,6-Pentachlorobiphenyl8855215-17-3QGDKRLQRLFUJPP-UHFFFAOYSA-N4CL
2,2',3,4,6'-Pentachlorobiphenyl8973575-57-2GLOOIONSKMZYQZ-UHFFFAOYSA-N4CL
2,2',3,4',5-Pentachlorobiphenyl9068194-07-0SUOAMBOBSWRMNQ-UHFFFAOYSA-N4CL, 2M
2,2',3,4',6-Pentachlorobiphenyl9168194-05-8CXKIGWXPPVZSQK-UHFFFAOYSA-N4CL
2,2',3,5,5'-Pentachlorobiphenyl9252663-61-3CRCBRZBVCDKPGA-UHFFFAOYSA-N4CL, 2M
2,2',3,5,6-Pentachlorobiphenyl9373575-56-1BMXRLHMJGHJGLR-UHFFFAOYSA-N4CL, 2M
2,2',3,5,6'-Pentachlorobiphenyl9473575-55-0FJUVPPYNSDTRQV-UHFFFAOYSA-N4CL, 2M
2,2',3,5',6-Pentachlorobiphenyl9538379-99-6GXNNLIMMEXHBKV-UHFFFAOYSA-N4CL, 2M
2,2',3,6,6'-Pentachlorobiphenyl9673575-54-9QQFGAXUIQVKBKU-UHFFFAOYSA-N4CL
2,2',3,4',5'-Pentachlorobiphenyl9741464-51-1JTUSORDQZVOEAZ-UHFFFAOYSA-N4CL, 2M
2,2',3,4',6'-Pentachlorobiphenyl9860233-25-2GOFFZTAPOOICFT-UHFFFAOYSA-N4CL
2,2',4,4',5-Pentachlorobiphenyl9938380-01-7LMQJBFRGXHMNOX-UHFFFAOYSA-N4CL, PP
2,2',4,4',6-Pentachlorobiphenyl10039485-83-1RKUAZJIXKHPFRK-UHFFFAOYSA-N4CL, PP
2,2',4,5,5'-Pentachlorobiphenyl10137680-73-2LAHWLEDBADHJGA-UHFFFAOYSA-N4CL, 2M
2,2',4,5,6'-Pentachlorobiphenyl10268194-06-9BWWVXHRLMPBDCK-UHFFFAOYSA-N4CL
2,2',4,5',6-Pentachlorobiphenyl10360145-21-3PQHZWWBJPCNNGI-UHFFFAOYSA-N4CL
2,2',4,6,6'-Pentachlorobiphenyl10456558-16-8MTCPZNVSDFCBBE-UHFFFAOYSA-N4CL
2,3,3',4,4'-Pentachlorobiphenyl10532598-14-4WIDHRBRBACOVOY-UHFFFAOYSA-NCP1, 4CL, PP, 2M
2,3,3',4,5-Pentachlorobiphenyl10670424-69-0BQENMISTWGTJIJ-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',4',5-Pentachlorobiphenyl10770424-68-9PVYBHVJTMRRXLG-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',4,5'-Pentachlorobiphenyl10870362-41-3MPCDNZSLJWJDNW-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',4,6-Pentachlorobiphenyl10974472-35-8XGQBSVVYMVILEL-UHFFFAOYSA-N4CL, 2M
2,3,3',4',6-Pentachlorobiphenyl11038380-03-9ARXHIJMGSIYYRZ-UHFFFAOYSA-N4CL, 2M
2,3,3',5,5'-Pentachlorobiphenyl11139635-32-0QMUDLTGWHILKHH-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',5,6-Pentachlorobiphenyl11274472-36-9NTKSJAPQYKCFPP-UHFFFAOYSA-N4CL, 2M
2,3,3',5',6-Pentachlorobiphenyl11368194-10-5YDGFMDPEJCJZEV-UHFFFAOYSA-N4CL, 2M
2,3,4,4',5-Pentachlorobiphenyl11474472-37-0SXZSFWHOSHAKMN-UHFFFAOYSA-NCP1, 4CL, PP, 2M
2,3,4,4',6-Pentachlorobiphenyl11574472-38-1IOVARPVVZDOPGQ-UHFFFAOYSA-N4CL, PP
2,3,4,5,6-Pentachlorobiphenyl11618259-05-7GGMPTLAAIUQMIE-UHFFFAOYSA-N4CL, 2M
2,3,4',5,6-Pentachlorobiphenyl11768194-11-6ZDDZPDTVCZLFFC-UHFFFAOYSA-N4CL, 2M
2,3',4,4',5-Pentachlorobiphenyl11831508-00-6IUTPYMGCWINGEY-UHFFFAOYSA-NCP1, 4CL, PP, 2M
2,3',4,4',6-Pentachlorobiphenyl11956558-17-9OAEQTHQGPZKTQP-UHFFFAOYSA-N4CL, PP
2,3',4,5,5'-Pentachlorobiphenyl12068194-12-7ZLGYJAIAVPVCNF-UHFFFAOYSA-NCP1, 4CL, 2M
2,3',4,5',6-Pentachlorobiphenyl12156558-18-0XBVSGJGMWSKAKL-UHFFFAOYSA-N4CL, 2M
2,3,3',4',5'-Pentachlorobiphenyl12276842-07-4GWOWBISZHLPYEK-UHFFFAOYSA-NCP1, 4CL, 2M
2,3',4,4',5'-Pentachlorobiphenyl12365510-44-3YAHNWSSFXMVPOU-UHFFFAOYSA-NCP1, 4CL, PP, 2M
2,3',4',5,5'-Pentachlorobiphenyl12470424-70-3PIVBPZFQXKMHBD-UHFFFAOYSA-NCP1, 4CL, 2M
2,3',4',5',6-Pentachlorobiphenyl12574472-39-2WAZUWHGJMMZVHH-UHFFFAOYSA-N4CL, 2M
3,3',4,4',5-Pentachlorobiphenyl12657465-28-8REHONNLQRWTIFF-UHFFFAOYSA-NCP0, 4CL, PP, 2M
3,3',4,5,5'-Pentachlorobiphenyl12739635-33-1MXVAYAXIPRGORY-UHFFFAOYSA-NCP0, 4CL, 2M
2,2',3,3',4,4'-Hexachlorobiphenyl12838380-07-3BTAGRXWGMYTPBY-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,5-Hexachlorobiphenyl12955215-18-4VQQKIXKPMJTUMP-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,5'-Hexachlorobiphenyl13052663-66-8YFSLABAYQDPWPF-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,6-Hexachlorobiphenyl13161798-70-7WDLTVNWWEZJMPF-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,6'-Hexachlorobiphenyl13238380-05-1OKBJVIVEFXPEOU-UHFFFAOYSA-N4CL, 2M
2,2',3,3',5,5'-Hexachlorobiphenyl13335694-04-3AJKLKINFZLWHQE-UHFFFAOYSA-N4CL, 2M
2,2',3,3',5,6-Hexachlorobiphenyl13452704-70-8RVWLHPJFOKUPNM-UHFFFAOYSA-N4CL, 2M
2,2',3,3',5,6'-Hexachlorobiphenyl13552744-13-5UUTNFLRSJBQQJM-UHFFFAOYSA-N4CL, 2M
2,2',3,3',6,6'-Hexachlorobiphenyl13638411-22-2FZFUUSROAHKTTF-UHFFFAOYSA-N4CL, 2M
2,2',3,4,4',5-Hexachlorobiphenyl13735694-06-5CKLLRBPBZLTGDJ-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,4,4',5'-Hexachlorobiphenyl13835065-28-2RPUMZMSNLZHIGZ-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,4,4',6-Hexachlorobiphenyl13956030-56-9SPOPSCCFZQFGDL-UHFFFAOYSA-N4CL, PP
2,2',3,4,4',6'-Hexachlorobiphenyl14059291-64-4XBBRGUHRZBZMPP-UHFFFAOYSA-N4CL, PP
2,2',3,4,5,5'-Hexachlorobiphenyl14152712-04-6UCLKLGIYGBLTSM-UHFFFAOYSA-N4CL, 2M
2,2',3,4,5,6-Hexachlorobiphenyl14241411-61-4RUEIBQJFGMERJD-UHFFFAOYSA-N4CL, 2M
2,2',3,4,5,6'-Hexachlorobiphenyl14368194-15-0UQPQKLGBEKEZBV-UHFFFAOYSA-N4CL, 2M
2,2',3,4,5',6-Hexachlorobiphenyl14468194-14-9CXXRQFOKRZJAJA-UHFFFAOYSA-N4CL, 2M
2,2',3,4,6,6'-Hexachlorobiphenyl14574472-40-5JZFZCLFEPXCRCA-UHFFFAOYSA-N4CL
2,2',3,4',5,5'-Hexachlorobiphenyl14651908-16-8BQHCQAQLTCQFJZ-UHFFFAOYSA-N4CL, 2M
2,2',3,4',5,6-Hexachlorobiphenyl14768194-13-8AQONCPKMJSBHQT-UHFFFAOYSA-N4CL, 2M
2,2',3,4',5,6'-Hexachlorobiphenyl14874472-41-6CTVRBEKNQHJPLX-UHFFFAOYSA-N4CL, 2M
2,2',3,4',5',6-Hexachlorobiphenyl14938380-04-0LKHLFUVHHXCNJH-UHFFFAOYSA-N4CL, 2M
2,2',3,4',6,6'-Hexachlorobiphenyl15068194-08-1RPPNJBZNXQNKNM-UHFFFAOYSA-N4CL
2,2',3,5,5',6-Hexachlorobiphenyl15152663-63-5UHCLFIWDCYOTOL-UHFFFAOYSA-N4CL, 2M
2,2',3,5,6,6'-Hexachlorobiphenyl15268194-09-2CLODVDBWNVQLGO-UHFFFAOYSA-N4CL, 2M
2,2',4,4',5,5'-Hexachlorobiphenyl15335065-27-1MVWHGTYKUMDIHL-UHFFFAOYSA-N4CL, PP, 2M
2,2',4,4',5,6'-Hexachlorobiphenyl15460145-22-4QXZHEJWDLVUFFB-UHFFFAOYSA-N4CL, PP
2,2',4,4',6,6'-Hexachlorobiphenyl15533979-03-2ICOAEPDGFWLUTI-UHFFFAOYSA-N4CL, PP
2,3,3',4,4',5-Hexachlorobiphenyl15638380-08-4LCXMEXLGMKFLQO-UHFFFAOYSA-NCP1, 4CL, PP, 2M
2,3,3',4,4',5'-Hexachlorobiphenyl15769782-90-7YTWXDQVNPCIEOX-UHFFFAOYSA-NCP1, 4CL, PP, 2M
2,3,3',4,4',6-Hexachlorobiphenyl15874472-42-7ZQUPQXINXTWCQR-UHFFFAOYSA-N4CL, PP, 2M
2,3,3',4,5,5'-Hexachlorobiphenyl15939635-35-3YZKLGRAIIIGOHB-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',4,5,6-Hexachlorobiphenyl16041411-62-5JHJMZCXLJXRCHK-UHFFFAOYSA-N4CL, 2M
2,3,3',4,5',6-Hexachlorobiphenyl16174472-43-8UNPTZXSJGZTGJJ-UHFFFAOYSA-N4CL, 2M
2,3,3',4',5,5'-Hexachlorobiphenyl16239635-34-2AHZUOPSGLWYCNF-UHFFFAOYSA-NCP1, 4CL, 2M
2,3,3',4',5,6-Hexachlorobiphenyl16374472-44-9ZAGRQXMWMRUYRB-UHFFFAOYSA-N4CL, 2M
2,3,3',4',5',6-Hexachlorobiphenyl16474472-45-0HAZQOLYHFUUJJN-UHFFFAOYSA-N4CL, 2M
2,3,3',5,5',6-Hexachlorobiphenyl16574472-46-1ZEATXTCWXKQPHO-UHFFFAOYSA-N4CL, 2M
2,3,4,4',5,6-Hexachlorobiphenyl16641411-63-6BTOCFTAWZMMTNB-UHFFFAOYSA-N4CL, PP, 2M
2,3',4,4',5,5'-Hexachlorobiphenyl16752663-72-6AZXHAWRMEPZSSV-UHFFFAOYSA-NCP1, 4CL, PP, 2M
2,3',4,4',5',6-Hexachlorobiphenyl16859291-65-5PITHIPNORFGJPI-UHFFFAOYSA-N4CL, PP, 2M
3,3',4,4',5,5'-Hexachlorobiphenyl16932774-16-6ZHLICBPIXDOFFG-UHFFFAOYSA-NCP0, 4CL, PP, 2M
2,2',3,3',4,4',5-Heptachlorobiphenyl17035065-30-6RMPWIIKNWPVWNG-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,4',6-Heptachlorobiphenyl17152663-71-5TZMHVHLTPWKZCI-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,5,5'-Heptachlorobiphenyl17252663-74-8HOPMUCXYRNOABF-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,5,6-Heptachlorobiphenyl17368194-16-1PAYFWJAKKLILIT-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,5,6'-Heptachlorobiphenyl17438411-25-5ZDLMBNHYTPHDLF-UHFFFAOYSA-N4CL, 2M
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2,2',3,3',4,6,6'-Heptachlorobiphenyl17652663-65-7HGMYRFJAJNYBRX-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,5',6'-Heptachlorobiphenyl17752663-70-4CXOYNJAHPUASHN-UHFFFAOYSA-N4CL, 2M
2,2',3,3',5,5',6-Heptachlorobiphenyl17852663-67-9WCIBKXHMIXUQHK-UHFFFAOYSA-N4CL, 2M
2,2',3,3',5,6,6'-Heptachlorobiphenyl17952663-64-6XYHVYEUZLSYHDP-UHFFFAOYSA-N4CL, 2M
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2,2',3,4,4',5,6-Heptachlorobiphenyl18174472-47-2DJEUXBQAKBLKPO-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,4,4',5,6'-Heptachlorobiphenyl18260145-23-5RXRLRYZUMSYVLS-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,4,4',5',6-Heptachlorobiphenyl18352663-69-1KQBFUDNJKCZEDQ-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,4,4',6,6'-Heptachlorobiphenyl18474472-48-3OBIUJJSQKPGKME-UHFFFAOYSA-N4CL, PP
2,2',3,4,5,5',6-Heptachlorobiphenyl18552712-05-7PYZHTHZEHQHHEN-UHFFFAOYSA-N4CL, 2M
2,2',3,4,5,6,6'-Heptachlorobiphenyl18674472-49-4FGDPOTMRBQHPJK-UHFFFAOYSA-N4CL, 2M
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2,3,3',4,4',5,6-Heptachlorobiphenyl19041411-64-7TYEDCFVCFDKSBK-UHFFFAOYSA-N4CL, PP, 2M
2,3,3',4,4',5',6-Heptachlorobiphenyl19174472-50-7TVFXBXWAXIMLAQ-UHFFFAOYSA-N4CL, PP, 2M
2,3,3',4,5,5',6-Heptachlorobiphenyl19274472-51-8ZUTDUGMNROUBOX-UHFFFAOYSA-N4CL, 2M
2,3,3',4',5,5',6-Heptachlorobiphenyl19369782-91-8SSTJUBQGYXNFFP-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,4',5,5'-Octachlorobiphenyl19435694-08-7DTMRKGRREZAYAP-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,4',5,6-Octachlorobiphenyl19552663-78-2JAHJITLFJSDRCG-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,4',5,6'-Octachlorobiphenyl19642740-50-1BQFCCUSDZLKBJG-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,4',6,6'-Octachlorobiphenyl19733091-17-7YPDBBDKYNWRFMF-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,5,5',6-Octachlorobiphenyl19868194-17-2PJHBSPRZHUOIAS-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,5,5',6'-Octachlorobiphenyl19952663-75-9HJBYDWKNARZTMJ-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,5,6,6'-Octachlorobiphenyl20052663-73-7HHXNVASVVVNNDG-UHFFFAOYSA-N4CL, 2M
2,2',3,3',4,5',6,6'-Octachlorobiphenyl20140186-71-8LJQOBQLZTUSEJA-UHFFFAOYSA-N4CL, 2M
2,2',3,3',5,5',6,6'-Octachlorobiphenyl2022136-99-4JPOPEORRMSDUIP-UHFFFAOYSA-N4CL, 2M
2,2',3,4,4',5,5',6-Octachlorobiphenyl20352663-76-0DCPDZFRGNJDWPP-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,4,4',5,6,6'-Octachlorobiphenyl20474472-52-9JDZUWXRNKHXZFE-UHFFFAOYSA-N4CL, PP, 2M
2,3,3',4,4',5,5',6-Octachlorobiphenyl20574472-53-0VXXBCDUYUQKWCK-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,4',5,5',6-Nonachlorobiphenyl20640186-72-9JFIMDKGRGPNPRQ-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl20752663-79-3YGDPIDTZOQGPAX-UHFFFAOYSA-N4CL, PP, 2M
2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl20852663-77-1XIFFTDRFWYFAPO-UHFFFAOYSA-N4CL, 2M
Decachlorobiphenyl2092051-24-3ONXPZLFXDMAPRO-UHFFFAOYSA-N4CL, PP, 2M

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<span class="mw-page-title-main">Polychlorinated biphenyl</span> Chemical compound

Polychlorinated biphenyls (PCBs) are highly carcinogenic chemical compounds, formerly used in industrial and consumer products, whose production was banned in the United States by the Toxic Substances Control Act in 1979 and internationally by the Stockholm Convention on Persistent Organic Pollutants in 2001. They are organic chlorine compounds with the formula C12H10−xClx; they were once widely used in the manufacture of carbonless copy paper, as heat transfer fluids, and as dielectric and coolant fluids for electrical equipment.

Polychlorinated dibenzodioxins (PCDDs), or simply dioxins, are a group of long-lived polyhalogenated organic compounds that are primarily anthropogenic, and contribute toxic, persistent organic pollution in the environment.

<span class="mw-page-title-main">Chloracne</span> Medical condition

Chloracne is an acne-like eruption of blackheads, cysts, and pustules associated with exposure to certain halogenated aromatic compounds, such as chlorinated dioxins and dibenzofurans. The lesions are most frequently found on the cheeks, behind the ears, in the armpits and groin region.

In organochlorine chemistry, reductive dechlorination describes any chemical reaction which cleaves the covalent bond between carbon and chlorine via reductants, to release chloride ions. Many modalities have been implemented, depending on the application. Reductive dechlorination is often applied to remediation of chlorinated pesticides or dry cleaning solvents. It is also used occasionally in the synthesis of organic compounds, e.g. as pharmaceuticals.

Halocarbon compounds are chemicals in which one or more carbon atoms are linked by covalent bonds with one or more halogen atoms resulting in the formation of organofluorine compounds, organochlorine compounds, organobromine compounds, and organoiodine compounds. Chlorine halocarbons are the most common and are called organochlorides.

An organochloride, organochlorine compound, chlorocarbon, or chlorinated hydrocarbon is an organic compound containing at least one covalently bonded atom of chlorine. The chloroalkane class provides common examples. The wide structural variety and divergent chemical properties of organochlorides lead to a broad range of names, applications, and properties. Organochlorine compounds have wide use in many applications, though some are of profound environmental concern, with TCDD being one of the most notorious.

<span class="mw-page-title-main">Biphenyl</span> Chemical compound

Biphenyl is an organic compound that forms colorless crystals. Particularly in older literature, compounds containing the functional group consisting of biphenyl less one hydrogen may use the prefixes xenyl or diphenylyl.

<span class="mw-page-title-main">1,4-Dioxin</span> Chemical compound

1,4-Dioxin (also referred as dioxin or p-dioxin) is a heterocyclic, organic, non-aromatic compound with the chemical formula C4H4O2. There is an isomeric form of 1,4-dioxin, 1,2-dioxin (or o-dioxin). 1,2-Dioxin is very unstable due to its peroxide-like characteristics.

<span class="mw-page-title-main">Polychlorinated dibenzofurans</span> Family of organic compounds

More thorough treatise of all groups with similar actions and binding to aryl hydrocarbon receptor is given in Dioxins and dioxin-like compounds.

<span class="mw-page-title-main">Dioxins and dioxin-like compounds</span> Class of chemical compounds

Dioxins and dioxin-like compounds (DLCs) are a group of chemical compounds that are persistent organic pollutants (POPs) in the environment. They are mostly by-products of burning or various industrial processes - or, in case of dioxin-like PCBs and PBBs, unwanted minor components of intentionally produced mixtures.

Polyhalogenated compounds (PHCs) are any compounds with multiple substitutions of halogens. They are of particular interest and importance because they bioaccumulate in humans, and comprise a superset of which has many toxic and carcinogenic industrial chemicals as members. PBDEs, PCBs, dioxins (PCDDs) and PFCs are all polyhalogenated compounds. They are generally non-miscible in organic solvents or water, but miscible in some hydrocarbons from which they often derive.

Polychlorinated diphenyl ethers (PCDEs) are structurally similar to polychlorinated biphenyls (PCBs), both which may be toxic polyhalogenated compounds and some PCDE congeners have been reported to cause toxic responses similar to those caused by some of the non-ortho-substituted PCBs, which are mediated by the aryl hydrocarbon receptor (AhR).

Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic rings and one or more chlorine atoms attached to the ring system. Cl-PAHs can be divided into two groups: chloro-substituted PAHs, which have one or more hydrogen atoms substituted by a chlorine atom, and chloro-added Cl-PAHs, which have two or more chlorine atoms added to the molecule. They are products of incomplete combustion of organic materials. They have many congeners, and the occurrences and toxicities of the congeners differ. Cl-PAHs are hydrophobic compounds and their persistence within ecosystems is due to their low water solubility. They are structurally similar to other halogenated hydrocarbons such as polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), and polychlorinated biphenyls (PCBs). Cl-PAHs in the environment are strongly susceptible to the effects of gas/particle partitioning, seasonal sources, and climatic conditions.

<span class="mw-page-title-main">Pentachlorobenzene</span> Chemical compound

Pentachlorobenzene (PeCB) is a chemical compound with the molecular formula C6HCl5 which is a chlorinated aromatic hydrocarbon. It consists of a benzene ring substituted with five chlorine atoms. PeCB was once used industrially for a variety of uses, but because of environmental concerns there are currently no large scale uses of PeCB. Pentachlorobenzene is a known persistent organic pollutant (POP) and banned globally by the Stockholm Convention on Persistent Organic Pollutants in 2009.

Toxic equivalency factor (TEF) expresses the toxicity of dioxins, furans and PCBs in terms of the most toxic form of dioxin, 2,3,7,8-TCDD. The toxicity of the individual congeners may vary by orders of magnitude.

Persistent, bioaccumulative and toxic substances (PBTs) are a class of compounds that have high resistance to degradation from abiotic and biotic factors, high mobility in the environment and high toxicity. Because of these factors PBTs have been observed to have a high order of bioaccumulation and biomagnification, very long retention times in various media, and widespread distribution across the globe. Most PBTs in the environment are either created through industry or are unintentional byproducts.

<span class="mw-page-title-main">Congener (chemistry)</span>

In chemistry, congeners are chemical substances "related to each other by origin, structure, or function".

Polychorinated biphenyls, or PCBs, are a type of chemical that was widely used in the 1960s and 1970s, and which are a contamination source of soil and water. They are fairly stable and therefore persistent in the environment. Bioremediation of PCBs is the use of microorganisms to degrade PCBs from contaminated sites, relying on multiple microorganisms' co-metabolism. Anaerobic microorganisms dechlorinate PCBs first, and other microorganisms that are capable of doing BH pathway can break down the dechlorinated PCBs to usable intermediates like acyl-CoA or carbon dioxide. If no BH pathway-capable microorganisms are present, dechlorinated PCBs can be mineralized with help of fungi and plants. However, there are multiple limiting factors for this co-metabolism.

Heptachlorodibenzo-<i>p</i>-dioxin Chemical compound

1,2,3,4,6,7,8-Heptachlorodibenzo-para-dioxin (often referred to as 1,2,3,4,6,7,8-HpCDD) is a polychlorinated derivative of dibenzo-p-dioxin and can therefore be categorized as polychlorinated dibenzo-p-dioxin (PCDD), a subclass of dioxins which includes 75 congeners. HpCDD is the dibenzo-p-dioxin which is chlorinated at positions 1, 2, 3, 4, 6, 7, and 8. It is a polycyclic heterocyclic organic compound, since HpCDD contains multiple cyclic structures (two benzene rings connected by a 1,4-dioxin ring) in which two different elements (carbon and oxygen) are members of its rings. HpCDD has molecular formula C12HCl7O2 and is an off-white powder, which is insoluble in water.

<span class="mw-page-title-main">2,2',3,3',4,4'-Hexachlorobiphenyl</span> Chemical compound

2,2',3,3',4,4'-Hexachlorobiphenyl is an organic chemical and belongs to a group of compounds called polychlorinated biphenyls. This group of organic compounds was used in transformers as dielectric fluids, until production was banned in 1979. While only being a part of this mixture, it is sometimes referred to as Aroclor 1260.

References

  1. ↑ PCB ID – Toxicity Equivalency Factors (TEFs) | Polychlorinated Biphenyls (PCBs) | US EPA
  2. ↑ PCB Congeners
  3. ↑ BZ was named after Ballschmiter, K.; Zell, M. (1980). "Analysis of polychlorinated biphenyls (PCB) by glass capillary gas chromatography". Fresenius' Zeitschrift für Analytische Chemie. 302: 20–31. doi:10.1007/BF00469758.
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