2,7-DICHLORODIBENZO-P-DIOXIN

Product Name: DCDD (CAS NO.33857-26-0)

Molecular Formula: C₁₂H₆Cl₂O₂
Molecular Weight: 253.08084g/mol
Mol File: 33857-26-0.mol
Appearance: Colorless crystals or a white powder
Boiling point: 350.2 °C at 760 mmHg
Flash Point: 140.2 °C
Density: 1.47 g/cm³
Water Solubility: Insoluble in water
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Surface Tension: 54.5 dyne/cm
Enthalpy of Vaporization: 57.13 kJ/mol
Vapour Pressure: 9.04E-05 mmHg at 25°C
XLogP3-AA: 4.3
H-Bond Donor: 0
H-Bond Acceptor: 2
Structure Descriptors of DCDD (CAS NO.33857-26-0):
  IUPAC Name: 2,7-dichlorooxanthrene
  Canonical SMILES: C1=CC2=C(C=C1Cl)OC3=C(O2)C=C(C=C3)Cl
  InChI: 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

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 (1987),p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 15 (1977),p. 41.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human No Adequate Data IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 15 (1977),p. 41.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . NCI Carcinogenesis Bioassay (feed); Clear Evidence: mouse NCITR*    National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-123 ,1979. ; No Evidence: rat NCITR*    National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-123 ,1979. .

An eye irritant. Experimental teratogenic data. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of Cl⁻.

 DCDD ,its CAS NO. is 33857-26-0,the synonyms is 2,7-Dichlorodibenzo-4-dioxin ; 2,7-Dichlorodibenzo-p-dioxin ; 2,7-Dichlorodibenzodioxin ; 5-19-02-00040 (Beilstein Handbook Reference) ; BRN 0017641 ; CCRIS 223 ; Dibenzo(b,e)(1,4)dioxin, 2,7-dichloro- ; Dibenzo-p-dioxin, 2,7-dichloro- ; HSDB 4124 ; NCI-C03667 .