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Substance Name: Tetrachlorobiphenyl (mixed isomers)
RN: 26914-33-0

Classification Codes

  • 2007 CERCLA Priority List, Rank: 169
  • 2011 CERCLA Priority List, Rank: 169

Molecular Formula

  • C12-H6-Cl4

Molecular Weight

  • 296.023
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Links to Resources

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Other Resources (Internet Locators)

Names and Synonyms

Name of Substance

  • Tetrachlorobiphenyl (mixed isomers)


  • Pyralene 1498
  • Tetrachlorobiphenyl
  • Tetrachlorodiphenyl
  • UNII-Z34ZC2K7Q0

Systematic Names

  • 1,1'-Biphenyl, tetrachloro-
  • Biphenyl, tetrachloro-

Superlist Name

  • Tetrachlorobiphenyl

Registry Numbers

CAS Registry Number

  • 26914-33-0


  • Z34ZC2K7Q0

System Generated Number

  • 0026914330

Structure Descriptors



Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) 6.340 (none)   EST
Water Solubility 0.046 mg/L   EXP
Henry's Law Constant 1.25E-04 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 7.30E-13 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.