Chlorothalonil CAS NO.1897-45-6

Common name Chlorothalonil Product category Fungicide CAS 1897-45-6 Structure ChemicalName 2,4,5,6-tetrachloride-1,3-benzeneformonitrile M…

Common name Chlorothalonil Product category Fungicide CAS 1897-45-6 Structure ChemicalName 2,4,5,6-tetrachloride-1,3-benzeneformonitrile Molecular Formula C8Cl4N2 Molecular Weight 265.91 Physical and Chemical Properties Pure chlorothalonil forms colourless, odourless crystals;m.p. 250-251℃; b.p. 350℃; v. p.1.3Pa(40℃). Solubility(25℃), 0.6mg/kg water; 20g/kg acetone, butanone, dimethyl 0sulfoxide; 30g/kg0 cyclohexanone, dimethyl- formamide;< 10g/kg kerosene; 80g/kg xylene.TECH grade (c.98% pure)has a slightly 0pungent0 odour. Stable thermally under0 normal storage 0conditions; to u.v. light; to alkaline0 and 0acid 0aqueous solutions. Prevention Object It is an object of this invention to provide effective methods and compositions for the control, prevention or amelioration of soil fungal Toxicity Low-toxic fungicide. Acute oral LD50 0for albino0 rats > 10000mg/kg. Acute percutaneous LD50 for albino rabbits >10000mg/kg Formulations 97%TC.75%WP.75%WS.90%WDG.90%DF.50%SC.72%SC