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| Name |
1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin |
EINECS | N/A |
| CAS No. | 19408-74-3 | Density | 1.777g/cm3 |
| PSA | 18.46000 | LogP | 7.50500 |
| Solubility | N/A | Melting Point |
243.5°C |
| Formula | C12H2 Cl6 O2 | Boiling Point | 478°Cat760mmHg |
| Molecular Weight | 390.865 | Flash Point | 182.9°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | A poison by ingestion. Questionable carcinogen. Mutation data reported. When heated to decomposition it emits toxic vapors of Cl−. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Dibenzo-p-dioxin,1,2,3,7,8,9-hexachloro- (8CI); 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin;1,2,3,7,8,9-Hexachlorodibenzo[1,4]dioxin;1,2,3,7,8,9-Hexachlorodibenzo[b,e][1,4]dioxin;1,2,3,7,8,9-Hexachlorodibenzodioxin; 1,2,3,7,8,9-HxCDD; D 70; PCDD 70 |
Article Data | 23 |
1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin Chemical Properties
Chemistry informtion about 1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin(19408-74-3) is:
IUPAC Name: 1,2,3,7,8,9-hexachlorooxanthrene
Synonyms: 1,2,3,7,8,9-Hexachlorodibenzo(B,E)(1,4)Dioxin ; 1,2,3,7,8,9-Hexachloro-Dibenzo-P-Dioxi ; D70 ; Dibenzo-P-Dioxin,1,2,3,7,8,9-Hexachloro- ; Dibenzo-Para-Dioxin,Hexachloro- ; 1,2,3,7,8,9-Hcdd ; 1,2,3,7,8,9-Hxcdd ; 2,3,4,6,7,8-Hcdd
Molecular Weight: 390.86108 [g/mol]
Molecular Formula: C12H2Cl6O2
XLogP3: 7.4
H-Bond Donor: 0
H-Bond Acceptor: 2
Density: 1.777 g/cm3
Flash Point: 182.9 °C
Enthalpy of Vaporization: 71.37 kJ/mol
Boiling Point: 478 °C at 760 mmHg
Vapour Pressure: 7.72E-09 mmHg at 25°C
Following is the molecular structure of 1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin(19408-74-3) is:
1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | oral | 60ug/kg (0.06mg/kg) | Toxicology and Applied Pharmacology. Vol. 44, Pg. 335, 1978. | |
| mouse | LD50 | oral | > 1440mg/kg (1440mg/kg) | Endocrine: changes in spleen weight endocrine: changes in thymus weight blood: "changes in serum composition (e.g., tp, bilirubin, cholesterol)" | Toxicology and Applied Pharmacology. Vol. 44, Pg. 335, 1978. |
1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin Consensus Reports
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) .
1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin Safety Profile
A poison by ingestion. Questionable carcinogen. Mutation data reported. When heated to decomposition it emits toxic vapors of Cl−.
RIDADR: 2811
HazardClass: 6.1(a)
PackingGroup: I
1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin Specification
1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin(19408-74-3) is a light pink crystalline solid. It insoluble in water. It is stable under normal laboratory conditions. Solutions may be sensitive to light. Methanol solutions are degraded on exposure to sunlight or ultraviolet irradiation. 1,2,3,7,8,9-Hexachlorodibenzo-P-Dioxin is probably combustible.
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