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CAS 65510-44-3

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PCB 123

Description:
PCB 123, or polychlorinated biphenyl 123, is a member of the polychlorinated biphenyl (PCB) family, which consists of synthetic organic chemicals with varying degrees of chlorination. Characterized by its biphenyl structure, PCB 123 contains multiple chlorine atoms attached to the biphenyl framework, influencing its physical and chemical properties. This compound is typically a colorless to light yellow solid or liquid, depending on its purity and temperature. PCBs are known for their hydrophobic nature, low volatility, and high thermal stability, making them useful in various industrial applications, such as electrical equipment and heat exchangers. However, due to their environmental persistence and potential toxicity, PCBs, including PCB 123, are subject to strict regulations. They can bioaccumulate in the food chain and pose health risks to humans and wildlife, including endocrine disruption and carcinogenic effects. Consequently, the use and production of PCBs have been largely phased out in many countries, and ongoing efforts focus on the remediation of contaminated sites.
Formula:C12H5Cl5
InChI:InChI=1S/C12H5Cl5/c13-7-1-2-8(9(14)5-7)6-3-10(15)12(17)11(16)4-6/h1-5H
InChI key:InChIKey=YAHNWSSFXMVPOU-UHFFFAOYSA-N
SMILES:ClC1=C(C2=CC(Cl)=C(Cl)C(Cl)=C2)C=CC(Cl)=C1
Synonyms:
  • 1,1'-Biphenyl, 2',3,4,4',5-pentachloro-
  • 1,1'-Biphenyl, 2,3',4,4',5'-Pentachloro-
  • 1,1′-Biphenyl, 2,3′,4,4′,5′-pentachloro-
  • 2',3,4,4',5-Pentachloro-1,1'-biphenyl
  • 2',3,4,4',5-Pentachlorobiphenyl
  • 2,3',4,4',5'-Pcb
  • 2,3',4,4',5'-Pentachloro-1,1'-biphenyl
  • 2,3′,4,4′,5′-Pentachloro-1,1′-biphenyl
  • 2,3′,4,4′,5′-Pentachlorobiphenyl
  • 2′,3,4,4′,5-PeCB
  • See more synonyms
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