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Substance Name: 2,7-Dichlorodibenzo-p-dioxin
RN: 33857-26-0
UNII: 3KMT7J3HEQ
InChIKey: NBFMTHWVRBOVPE-UHFFFAOYSA-N

Molecular Formula

  • C12-H6-Cl2-O2

Molecular Weight

  • 253.0834
 

Classification Codes

Classification Codes

  • Reproductive Effect
  • Skin / Eye Irritant
  • Tumor Data

Superlist Classification Code

  • Overall Carcinogenic Evaluation: Group 3
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Names and Synonyms

Name of Substance

  • 2,7-Dichlorodibenzo-4-dioxin
  • 2,7-Dichlorodibenzo-p-dioxin

Synonyms

  • 2,7-Dichlorodibenzo-4-dioxin
  • 2,7-Dichlorodibenzo-p-dioxin
  • 2,7-Dichlorodibenzodioxin
  • 5-19-02-00040 (Beilstein Handbook Reference)
  • BRN 0017641
  • CCRIS 223
  • DCDD
  • Dibenzo(b,e)(1,4)dioxin, 2,7-dichloro-
  • Dibenzo-p-dioxin, 2,7-dichloro-
  • HSDB 4124
  • NCI-C03667
  • UNII-3KMT7J3HEQ

Systematic Names

  • 2,7-Dichlorodibenzo-p-dioxin
  • Dibenzo(b,e)(1,4)dioxin, 2,7-dichloro-
  • Dibenzo-p-dioxin, 2,7-dichloro-

Superlist Names

  • 2,7-Dichlorodibenzo(b,e)(1,4)dioxin
  • 2,7-Dichlorodibenzo-p-dioxin

Registry Numbers

CAS Registry Number

  • 33857-26-0

FDA UNII

  • 3KMT7J3HEQ

System Generated Number

  • 0033857260

Structure Descriptors

InChI

1S/C12H6Cl2O2/c13-7-1-3-9-11(5-7)16-10-4-2-8(14)6-12(10)15-9/h1-6H

InChIKey

NBFMTHWVRBOVPE-UHFFFAOYSA-N

Smiles

c1cc2c(cc1Cl)Oc3ccc(cc3O2)Cl

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 209 deg C   EXP
log P (octanol-water) 5.75 (none)   EXP
Water Solubility 0.00375 mg/L 25 EXP
Vapor Pressure 9.00E-07 mm Hg 25 EXP
Henry's Law Constant 5.88E-05 atm-m3/mole 25 EXP
Atmospheric OH Rate Constant 4.40E-12 cm3/molecule-sec 25 EXP

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