Molecular formula: C19H20F3NO4 molecular weight: 383.4 CAS No. :79241-46-6
melting point: 5 ° C Boiling Point: 170 (55.67Pa) ° C Vapor Pressure: 0.54mPa (20 ° C) toxicity LD50 (mg / kg): acute oral LD50: 3680-rats, mice - 1490, 2,451 female rats, mice estrogen 1770; Percutaneous rabbit acute LD50 greater than 1.73, a slight stimulation of rabbit skin, eyes moderate stimulus. The guinea pig skin allergy. No teratogenic and carcinogenic effects. traits: colorless or pale yellow liquid. dissolution: dissolved in water 1 mg / L (20 ° C), soluble in acetone, methylene chloride, ethyl acetate and hexane, methanol, toluene, xylene. purposes: herbicide. After Bud application, the Control potato fields since the cereal crops and grassy weeds, including oats and rat-tail A.aequalis. preparation or sources: from methylpyridine by chlorination, esterification, condensation in the system. Note: 25 ° Cpreserved for three years, 37 ° Cretained for six months.
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