Structural Formula Vector Image
Title: Isobenzan
CAS Registry Number: 297-78-9
CAS Name: 1,3,4,5,6,7,8,8-Octachloro-1,3,3a,4,7,7a-hexahydro-4,7-methanoisobenzofuran
Additional Names: 1,3,4,5,6,7,10,10-octachloro-4,7-endomethylene-4,7,8,9-tetrahydrophthalan
Manufacturers' Codes: SD-4402; R-6700
Trademarks: Omtan; Telodrin
Molecular Formula: C9H4Cl8O
Molecular Weight: 411.75
Percent Composition: C 26.25%, H 0.98%, Cl 68.88%, O 3.89%
Literature References: Prepn: GB 772212 (1957 to Ruhrchemie); Korte, Stiasni, Ann. 656, 140 (1962); Feichtinger, Linden, Chem. Ind. (London) 1965, 1938. Toxicity study: Tauberger, Arch. Exp. Pathol. Pharmakol. 232, 227 (1957).
Properties: Crystals from heptane, mp 120-122°. Sol in acetone, benzene, toluene, ether, xylene, heavy aromatic naphtha. LD50 i.v. in rats: 1.8 mg/kg (Tauberger).
Melting point: mp 120-122°
Toxicity data: LD50 i.v. in rats: 1.8 mg/kg (Tauberger)
Use: Insecticide.

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