O, O-dimethyl-S-methyl carbamoyl methyl phosphorothioate;
【Physical and Chemical property】:
Colorless crytal with camphor odor. For industrial use, it usually is light yellow emulsion. Melting point: 52-52.5℃; Flash point: 107℃; Relative density: 1.277(20℃); Vapor tension: 1.13×10-3Pa (25℃). It is stable in acid medium; It is easy to dissolve in alkali medium and soluble in water. It is soluble in most organic solvents, such as alcohols, ketones, ethers, esters, benzene, a benzene and so on.
【Toxicity】:
Male Large mice oral LD50 is 320-380mg/kg,small mice through skin LD50 is 700--1150mg/kg. The maximum amount of human-beings is 0.2mg/kg/day. Female Duck acute oral LD50 is 40 mg/kg, sparrow is 22 mg/kg, Silkworm acute oral 1000 mg /g without toxicity function. The safety amount to fish is 2.1 mg/kg. Bee LD50 is 0.09 mg /cattle.
【Features and Use】:
Systemic action; organic phosphorus acaricide; broad spectrum; kill through contact and stomach poisoning; suitable for the control of piercing-sucking mouthparts insects. It can change to omethoate with high activity in insects.
【Target crops/Target pests】:
It can be widely used on rice, cotton, Fruit tree, Vegetable, tobacco and Flowers to prevent from plant hopper, white back plant hopper, brown plant hopper, Leafhopper, thrips, two-spotted spider mite, Aphid, Cabbage butterfly, Tobacco budworm, scale insects and so on.