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Substance Name: Heptachlorodibenzo-p-dioxins
RN: 37871-00-4
UNII: 65NTE40HYO

Classification Codes

  • 2007 CERCLA Priority List, Rank: 154
  • 2011 CERCLA Priority List, Rank: 148

Molecular Formula

  • C12-H-Cl7-O2

Molecular Weight

  • 426.317
 
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Links to Resources

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Other Resources (Internet Locators)

Names and Synonyms

Name of Substance

  • Heptachlorodibenzo-p-dioxins

Synonyms

  • Heptachlorodibenzo(b,e)(1,4)dioxin
  • Heptachlorodibenzo-p-dioxin
  • HpCDD
  • UNII-65NTE40HYO

Systematic Name

  • Dibenzo(b,e)(1,4)dioxin, heptachloro-

Superlist Name

  • Heptachlorodibenzo-p-dioxin

Registry Numbers

CAS Registry Number

  • 37871-00-4

FDA UNII

  • 65NTE40HYO

Other Registry Numbers

  • 55684-95-2
  • 69760-95-8

System Generated Number

  • 0037871004

Structure Descriptors

Smiles

c12c(Oc3ccc(c(c3O1)Cl)Cl)c(c(Cl)c(c2Cl)Cl)Cl.Cl*

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 264 deg C   EXP
log P (octanol-water) 7.780 (none)   EST
Water Solubility 1.41E-06 mg/L 23 EXP
Henry's Law Constant 2.18E-05 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.39E-13 cm3/molecule-sec 25 EST

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