2011年6月27日星期一

Chlorothalonil 50%WP

Chlorothalonil 50%WP
Technical purity: 97% Min. TC
Formulation: 75% WP, 720G/L SC, 500G/L SC
Chemical name: Tetrachloroisophthalonitrile
Molar mass: 265.9
Melting point: Appr. 250º C
Common name: Chlorothalonil
Empirical formula: C8Cl4N2
Odour: Odorless

Properties:
Pure chlorothalonil forms colourless, odourless crystals; M. P. 250-251º C; B. P. 350º C; V. P. 1.3Pa(40º C). Solubility(25º C), 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 0thermally under0 normal storage 0conditions; To u. V. Light; To alkaline0 and 0acid 0aqueous solutions.

Toxicity:
Low-toxic fungicide. Acute oral LD50 0for albino0 rats ∧ 10000mg/kg. Acute percutaneous LD50 for albino rabbits ∧ 10000mg/kg.

Durability
Thermally stable at ambient temperatures. Stable to U. V. Light in aqueous media and in crystalline state. Stable in acidic and moderately alkaline aqueous solutions; Slow hydrolysis at PH∧ 9.

Resource:

www.ecvv.com   is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.

<a href="http://www.ecvv.com">www.ecvv.com</a> is an innovative and comprehensive business portal in China, dedicated to saving costs for Chinese SMEs to find buyers and export to overseas markets.

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