TRIAZOPHOS


Common name: triazophos
Trade name: Hostathion; triazophos; phentriazophos
Other name: EOE2960
Chemical name: O,O-diethyl O-1-phenyl-1H-1,2,4-triazol-3-yl phosphorothioate
Structural formula:

CA Registry Number: 24017-48-8
Molecular formula: C12H16N3O3PS
Molecular weight: 313.3
Physical and chemical properties: Triazophos is slight brown liquid; Melting point 0~5¡ãC; Vapour pressure, 0.387Pa at 30¡ãC. Solubility, 39mg/L in water at 23¡ãC; 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¡ãC. Stable to light, hydrolyzed by aqueous acids and alkalis; decomposed at 200¡ãC;Toxicity: Acute oral LD50 for rats, 82mg/kg; acute dermal LD50 for rats, 1100mg/kg; LD50 for dogs, 320mg/kg. No poisoning was observed for rabbits after exposure to the compound at 25mg/kg for 5 days; 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.
Quality standard:
Item Name
Index
Content(¡Ý, %)
¡Ý80
Moisture(¡Ü, %)
¡Ü0.3
Acidity(H2SO4)(¡Ü, %)
¡Ü0.5
Mode of action: Contact and stomach poison; Penetrable into plant tissue; No systemic action.

Specification: 80%

Packing: Packed by requests