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  2. chemical
  3. organic substance
  4. organohalogen compound
  5. halogenated hydrocarbon
  6. halogenated biphenyl
  7. polychlorinated biphenyl
  8. pyralene
Scope note
Chemical compound belonging to the polychlorinated biphenyls family, used in the production of electrical equipment which requires dielectric fluid such as power transformers and capacitors, as well as in hydraulic machinery, vacuum pumps, compressors and heat-exchanger fluids.
Accepted term: 14-May-2014