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| CAS No.: | 57653-85-7 |
|---|---|
| Name: | 1,2,3,6,7,8-HEXACHLORODIBENZO-P-DIOXIN |
| Article Data: | 3 |
| Molecular Structure: | |
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| Formula: | C12H2 Cl6 O2 |
| Molecular Weight: | 390.865 |
| Synonyms: | 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin;1,2,3,6,7,8-Hexachlorodibenzo[1,4]dioxin; 1,2,3,6,7,8-Hexachlorodibenzo[b,e][1,4]dioxin;1,2,3,6,7,8-Hexachlorodibenzodioxin; 1,2,3,6,7,8-HxCDD; D 67; PCDD 67 |
| Density: | 1.777 g/cm3 |
| Melting Point: | 285-286 ºC |
| Boiling Point: | 478 °C at 760 mmHg |
| Flash Point: | 182.9 °C |
| Safety: | A deadly poison by ingestion. Questionable carcinogen. When heated to decomposition it emits toxic fumes of Cl−. |
| PSA: | 18.46000 |
| LogP: | 7.50500 |
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Chemistry
Chemistry informtion about 1,2,3,4,7,8-Hexachlorodibenzo-P-Dioxin(57653-85-7) is:
IUPAC Name: 1,2,3,6,7,8-hexachlorooxanthrene
Synonyms: 1,2,3,6,7,8-hexachlorodibenzodioxin;1,2,3,6,7,8-hexachlorodibenzo-para-dioxin;1,2,3,6,7,8-hexachloro-dibenzo-p-dioxi;1,2,3,6,7,8-Hexachloro-p-dioxin;1,2,3,6,7,8-hxcdd;1,2,3,7,8,9-Hexachlorooxanthrene;Dibenzo(b,e)(1,4)dioxin, 1,2,3,6,7,8-hexachloro-;dibenzo(b,e)(1,4)dioxin,1,2,3,6,7,8-hexachloro-[qr]
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 1,2,3,4,7,8-Hexachlorodibenzo-P-Dioxin(57653-85-7) is:
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | oral | 70ug/kg (0.07mg/kg) | Toxicology and Applied Pharmacology. Vol. 44, Pg. 335, 1978. | |
| mouse | LD50 | oral | 1250ug/kg (1.25mg/kg) | Toxicology and Applied Pharmacology. Vol. 44, Pg. 335, 1978. |
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) .
Safety Profile
A deadly poison by ingestion. Questionable carcinogen. When heated to decomposition it emits toxic fumes of Cl−.
RIDADR: 2811
HazardClass: 6.1(a)
PackingGroup: I
Specification
1,2,3,4,7,8-Hexachlorodibenzo-P-Dioxin(57653-85-7) is a fluffy white solid. It insoluble in water. It is the type of compound that is extremely stable, even on heating to 1292° F. Solutions of 1,2,3,4,7,8-Hexachlorodibenzo-P-Dioxin may be sensitive to light. Solutions of this type of compound in methanol are degraded by exposure to summer sunlight or irradiation with an ultraviolet lamp (300 nm). 1,2,3,4,7,8-Hexachlorodibenzo-P-Dioxinis probably combustible.