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| CAS No.: | 57117-31-4 |
|---|---|
| Name: | 2,3,4,7,8-Pentachlorodibenzofuran |
| Article Data: | 21 |
| Molecular Structure: | |
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| Formula: | C12H3Cl5O |
| Molecular Weight: | 340.40 |
| Synonyms: | 2,3,4,7,8-pentachlorodibenzodioxin;4-PeCDF;2,3,4,7,8-P5CDF;2,3,4,7,8-pentachlorinated dibenzofuran;PeCDF;2,3,4,7,8-Pentapolychlorinated dibenzofuran;Dibenzofuran,2,3,4,7,8-pentachloro;2,3,4,7,8-tetrachlorodibenzofuran;2,3,4,7,8-heptachlorodibenzofuran; |
| Density: | 1.7g/cm3 |
| Melting Point: | 196-196.5oC |
| Boiling Point: | 450.6°C at 760 mmHg |
| Flash Point: | 226.3°C |
| Safety: | Poison by ingestion and intravenous routes. An experimental teratogen. When heated to decomposition it emits toxic fumes of Cl−. |
| PSA: | 13.14000 |
| LogP: | 6.85300 |
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Chemistry
IUPAC Name: 2,3,4,7,8-pentachlorodibenzofuran
Molecular Formula: C12H3Cl5O
Molecular Weight: 340.40 g/mol
Density: 1.7 g/cm3
Boiling Point: 450.6 °C at 760 mmHg
Flash Point: 226.3 °C
Freely Rotating Bonds: 0 Polar
Surface Area: 13.14 Å2
Index of Refraction: 1.715
Molar Refractivity: 78.71 cm3
Molar Volume: 200.2 cm3
Polarizability: 31.2 ×10-24 cm3
Surface Tension: 56.2 dyne/cm
Enthalpy of Vaporization: 68.22 kJ/mol
Vapour Pressure: 6.96E-08 mmHg at 25°C
The Cas Register Number of 2,3,4,7,8-Pentachlorodibenzofuran is 57117-31-4.The chemical synonyms of 2,3,4,7,8-Pentachlorodibenzofuran (CAS NO.57117-31-4) are 2,3,4,7,8-pentachlorodibenzo[b,d]furan ; dibenzofuran, 2,3,4,7,8-pentachloro- ; PCB 126 / PECDF mixture ; 2,3,4,7,8-pentachlorodibenzofuran ; 2,3,4,7,8-Pentachloro-dibenzofuran ; 2,3,4,7,8-Pentachlorodibenzofuran [Dioxin and dioxin-like compounds] ; 2,3,4,7,8-Pentapolychlorinated dibenzofuran .The molecular structure of 2,3,4,7,8-Pentachlorodibenzofuran (CAS NO.57117-31-4) is.png)
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Uses
It can be used in organic synthesis.
Toxicity Data With Reference
| 1. | orl-rat LD50:916 µg/kg | FAATDF Fundamental and Applied Toxicology. 11 (1988),236. | ||
| 2. | ivn-mky LDLo:34 µg/kg | TXAPA9 Toxicology and Applied Pharmacology. 93 (1988),231. | ||
| 3. | orl-gpg LDLo:10 µg/kg | ANYAA9 Annals of the New York Academy of Sciences. 320 (1979),151. |
Safety Profile
Poison by ingestion and intravenous routes. An experimental teratogen. When heated to decomposition it emits toxic fumes of Cl−.
Specification
2,3,4,7,8-Pentachlorodibenzofuran (CAS NO.57117-31-4) base on increased incidences of hepatocellular adenoma and cholangiocarcinoma of the liver and gingival squamous cell carcinoma of the oral mucosa. Occurrences of cystic keratinizing epithelioma of the lung, neoplasms of the pancreatic acinus, and carcinoma of the uterus may have been related to administration of PeCDF.