Structural Formula Vector Image
Title: Dithianon
CAS Registry Number: 3347-22-6
CAS Name: 5,10-Dihydro-5,10-dioxonaphtho[2,3-b]-1,4-dithiin-2,3-dicarbonitrile
Additional Names: 1,4-dithiaanthraquinone-2,3-dicarbonitrile; 2,3-dicyano-1,4-dithiaanthraquinone
Manufacturers' Codes: IT-931; MV-119A
Trademarks: Delan (BASF)
Molecular Formula: C14H4N2O2S2
Molecular Weight: 296.32
Percent Composition: C 56.75%, H 1.36%, N 9.45%, O 10.80%, S 21.64%
Literature References: Prepn: van Schoor et al., US 2976296 (1961 to E. Merck). Properties and field trials: J. Berker et al., Proc. 2nd Br. Insectic. Fungic. Conf. 1963, 351. LC determn in technical formulations: A. R. Hanks, J. AOAC Int. 78, 1131 (1995). Environmental fate: M. Ueoka et al., Chemosphere 35, 2915 (1997). Review: E. Amadori, W. Heupt, Anal. Methods Pestic. Plant Growth Regul. 10, 181-187 (1978).
Properties: Brown odorless crystals, mp 225°. d18 1.55. Practically insol in water. Sol in dioxane, chlorobenzene, chloroform. LD50 orally in rats, guinea pigs: 638, 110 mg/kg (Amadori, Heupt).
Melting point: mp 225°
Density: d18 1.55
Toxicity data: LD50 orally in rats, guinea pigs: 638, 110 mg/kg (Amadori, Heupt)
Use: Fungicide.

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