2,3,7,8-Tetrachlorodibenzo-p-dioxin

CAS Registry Number®

1746-01-6
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CAS Name

2,3,7,8-Tetrachlorodibenzo-p-dioxin

Molecular Formula

C12H4Cl4O2

Molecular Mass

321.97

Cite this Page

2,3,7,8-Tetrachlorodibenzo-p-dioxin.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=1746-01-6 (retrieved 2024-03-28) (CAS RN: 1746-01-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    305-306 °C
  • Density (2)

    1.8 g/cm³

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
  • (2) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)

Other Names and Identifiers

InChI

InChI=1S/C12H4Cl4O2/c13-5-1-9-10(2-6(5)14)18-12-4-8(16)7(15)3-11(12)17-9/h1-4H

InChIKey

InChIKey=HGUFODBRKLSHSI-UHFFFAOYSA-N

SMILES

ClC=1C=C2C(OC=3C(O2)=CC(Cl)=C(Cl)C3)=CC1Cl

Canonical SMILES

ClC=1C=C2OC3=CC(Cl)=C(Cl)C=C3OC2=CC1Cl

Other Names for this Substance

  • Dibenzo[b,e][1,4]dioxin, 2,3,7,8-tetrachloro-
  • Dibenzo-p-dioxin, 2,3,7,8-tetrachloro-
  • 2,3,7,8-Tetrachlorodibenzo[b,e][1,4]dioxin
  • 2,3,7,8-Tetrachlorodibenzo-p-dioxin
  • TCDBD

Deleted or Replaced CAS Registry Numbers

56795-67-6

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