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CAS 31508-00-6

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PCB 118

Description:
PCB 118, also known as 2,2',4,4',5,5'-hexachlorobiphenyl, is a polychlorinated biphenyl (PCB) compound characterized by its chemical structure, which consists of two linked benzene rings with six chlorine atoms substituted at specific positions. It is a colorless to light yellow solid at room temperature and is insoluble in water but soluble in organic solvents. PCB 118 is known for its stability and resistance to degradation, which contributes to its persistence in the environment. This compound exhibits hydrophobic properties, leading to bioaccumulation in living organisms and potential toxic effects, including endocrine disruption and carcinogenicity. PCB 118 is primarily used in industrial applications, such as in electrical equipment and as a heat transfer fluid, although its production has been largely banned or restricted due to environmental and health concerns. Regulatory agencies classify PCBs as hazardous substances, and their use is heavily monitored to mitigate their impact on human health and ecosystems.
Formula:C12H5Cl5
InChI:InChI=1S/C12H5Cl5/c13-8-2-1-6(3-10(8)15)7-4-11(16)12(17)5-9(7)14/h1-5H
InChI key:InChIKey=IUTPYMGCWINGEY-UHFFFAOYSA-N
SMILES:ClC1=C(C2=CC(Cl)=C(Cl)C=C2)C=C(Cl)C(Cl)=C1
Synonyms:
  • 1,1'-Biphenyl, 2,3',4,4',5-Pentachloro-
  • 1,1′-Biphenyl, 2,3′,4,4′,5-pentachloro-
  • 2,3',4,4',5-Pcb
  • 2,3',4,4',5-Pentachloro-1,1'-biphenyl
  • 2,3′,4,4′,5-PeCB
  • 2,3′,4,4′,5-Pentachloro-1,1′-biphenyl
  • 2,3′,4,4′,5-Pentachlorobiphenyl
  • 2,4,5,3',4'-Pentachlorobiphenyl
  • 2,4,5,3′,4′-Pentachlorobiphenyl
  • 3,4,2',4',5'-Pentachlorobiphenyl
  • See more synonyms
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