Triazophos

Triazophos 1, CAS NO.: 24017-47-8 2, Commodity name: Hostathion; triazophos; phentriazophos 3. Chemical name: O,O-diethyl O-1-phenyl-1H-1,2,4-triazol-3-yl phosphorothioate 4. Molecular formula: C12H16N3O3PS 5. Physico-chemical properties: Triazophos is slight brown liquid; Melting point 0 5°C; Vapour pressure, 0.387Pa at 30°C. Solubility, 39mg/L in water at 23°C; Readily soluble in most organic solvents, e.g. in ethanol and toluene 30g/ml; in n-hexane 0.7g/ml; in acetone 0.1g/ml; in dichloromethane less than 0.1g/ml; in ethyl acetone 230.1g/ml at 20°C. Stable to light, hydrolyzed by aqueous acids and alkalis; decomposed at 200°C; 6. Toxicity: Acute oral LD50 for rats, 82mg/kg; acute dermal LD50 for rats, 1100mg/kg; LD50 for dogs, 320mg/kg. Some what degree of cholinesterase inhibition occurred after feeding dogs at 100mg/kg for 3 months; non-effect level for rats, 1mg/kg; LC100(48 hours) for crucian (Carassius auratus), 8.4mg/l; 1mg/l for carp (Cyprinus carpio). Toxic to bees and fish. 7. Usage: Contact and stomach poison; Penetrable into plant tissue; No systemic action. 8, Packing: 250kg/drum, can be packed as per demand.