Cypermethrin

Chemical Name:(±)a-cyano-3-phenoxybenzyl-(lR,S)-cis,trans-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate

Molecular Formula:C22H19Cl2NO3

Molecular Weight:416.31

CAS No.:52315-07-8

Properties: Technical product is a yellow to brown medium solid-viscous liquid

below 60,V.P. 2.3×10-7Pa(20),density d 4 1.124.Hardly soluble in water,soluble in most of organic solvent such as kerosene,xylene,cyclohexane,etc.It is stable in weak acidity and neutual mediums and stable to heat.It can be stored for at least two years at normal temperature.

Toxicity: Acute oral LD50 to rats is 251mg/kg, Slightly irritant to skin,moderately irritant to eyes.

Uses: It is a broad-spectrum insect killer.It is widely used for controlling various pests on cotton, vegetable, furit and other crops, It is also used for controlling hygienical pests outside,Its effect can last for a long time.

Specification:Technical≥90%

Package:Iron drums,200kg/drum

Lambda-Cyhalothrin

Chemical Name:(1R,S)-cis-(Z)-α-cyano-3-phenoxybenzyl-3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cyclpropanecarboxylate

Molecular Formula:C23H19ClF3NO3

Molecular Weight:449.9

CAS No.:91465-08-6

Properties:Technical product is a white solid without special odor.M.P.49.5,V.P.2.67×10-10pa (20).It is hardly soluble in water,soluble in commom organic solvents stable in acid solution,easy to decompose in alkaline solution.

Toxicity:Acute oral LD50 to rats 79mg/kg

Acute dermal LD50 to rats 632mg/kg.

Uses:It is a broad-spectrum insecticide with very strong stomach and contact action,especially effective for controlling mites.It has long time effect,swift killing action to insects and lower toxicity to beneficial insects.

Specification:Technical ≥92%

Package:Iron drum,20kg/drum