Pyrethroid Agricultural Insecticides Deltamethrin 2.5% EC / 10% SC For Cotton

pyrethroid insecticides Deltamethrin 2.5% EC, 10% SC, 98% TC, use for Cotton, tobacco, fruit and vegetables

Chemical property

The raw material is white powder and odorless, recrystallized with isopropanol to form needle like crystals of orthorhombic system. The original drug (98%) m.p.98 ~ 101 C, pure m.p.101 ~ 102 C. [alpha]D+61 o, vapor pressure 1.999 * 10-6Pa (25 C). Soluble in acetone, cyclohexanone, benzene, dimethyl formamide, dimethyl sulfoxide, dioxane and other organic solvents; solubility in water 10 mg / L. There was no obvious decomposition at 100 C for 24 hours, but there was obvious decomposition above 190 C. It was stable to light, stable in acidic solution and unstable in alkaline solution.

Purpose

A pyrethroid insecticide with high insecticidal activity, broad insecticidal spectrum, quick efficacy and safety to crops. It has a certain repellent and Antifeedant effect, no internal absorption and fumigation. It has poor effect on mites and scale, high toxicity to silkworm, bee and fish, and cross-resistance to other pyrethroid-resistant pests. For example, to control cotton bollworm, cotton bollworm and leaf hopper, 25 mg/L spray; to cotton aphid and thrips 15 mg/L spray; to control cabbage caterpillar, diamondback moth, Spodoptera litura with 2.5% EC 2000-3000 times spray; to control tea borer and caterpillar with 2.5% EC 2500-3000 times spray. In addition, it can control rice Chilo suppressalis, rice thrips, rice leaf roller, soybean carnivore, citrus leaf miner, pear carnivore, peach carnivore, sugarcane borer and health pests. Avoid high temperatures during use.