Captan
Chemical name: N-(trichloromethylthio)cyclohex-4-ene-1, 2-dicarboximide.
Formula: C9h8cl3no2s.
M. W.: 300.61.
CAS No.: 133-06-2.
Description:
Appearance: White powder.
Melting point: 178 a t25º C.
Vapor pressure: 1.3 MPa at 25° C.
Stability: Soluble in water 3.3 mg/l 25º C, soluble in alcohol and xylene, not soluble in chloroform and cyclohexanone.
Toxicity: Acute oral ld50 ( mice) more than 8400-15000mg/kg, inhalation LC50 (2-hour) in mice is 5.0 mg/l.
Specifications: 95%tc, 50%wp.
Uses: It is road spectrum fungicide, especially effective against lepidopter and coleopter, like stem borer, common cabbage worm and diamond-back moth. Recommanded on rice, sugarcane, tea, vegetables and fruit trees.