Chlorothalonil

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Chemical Name: Chlorothalonil CAS No.: 1897-45-6 Comments: 98%Tech;50%SC;72%SC;75%WP;75%WDG Structure: Intro: Common Name: chlorothalonil Chemical Name: Tetrachloroisophthalonitrile (IUPAC). Formulation: Flowable, water dispersible granule, wettable powder, exothermic dust Molecular formula: C8Cl4N2 Molecular weight: 265.9 Specification: Tech: White crystalline solid. Melting point 250-251°C. Thermally stable under normal storage conditions. Stable to ultraviolet radiation. Stable in neutral or acidic aqueous media. Half- life of 38.1 days in aqueous media at pH 9. Non-corrosive. Odorless in pure form. Nonvolatile under normal field conditions. Vapor pressure, 5.72 × 10-7 torr at 25°C. Slightly soluble in xylene, acetone. Toxicity: (Rat): Oral LD50 >10,000 mg/kg. Inhalation LC50 Actual airborne concentration: (1 h.) 0.52 mg/l; (4 h.) 0.1 mg/l. Nominal: (1 h.) 7.9 mg/l; (4 h.) 0.62 mg/l. (Rabbit): Dermal LD50 >10,000 mg/kg. Skin, eye irritant

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