Methomyl, Technical, Tech, 97% TC, 98% TC, Pesticide & Insecticide

Common Name:  Methomyl 

Molecular Formula: C₅H₁₀N₂O₂S 

Molecular Weight: 162.21 

Composition: Methomyl is a mixture of (Z)- and (E)- isomers, the former predominating. 

Form: Colorless Crystals with a slight sulfurous odor.

Melting Point: 78-79℃ 

Density: 1.2946 

Solubility: In water 57.9 g/L (25℃). In Methanol 1000, in Acetone 730, in Ethanol 420, in Isopropanol 220, in Toluene 30 (all in g/kg, 25℃). Sparingly soluble in hydrocarbons. 

Stability: At room temperature, aqueous solutions undergo slow decomposition. The rate of decomposition increases at higher temperatures, in the presence of sunlight, on exposure to air, and in alkaline media. 

Methomyl is a systemic insecticide, which can effectively kill the eggs, larvae and adults of many pests. It has a dual effect of contact, killing and stomach poison. When it enters the insect body, it suppresses the Acetylcholine, which plays an important role in insect nerve conduction. The Acetylcholine can not be broken down and the nerve impulse can not be controlled, causes the insects to startle, overexcite, paralyze, and Quiver, unable to feed on the crop, resulting in their eventual death. Insect eggs that come into contact with, chemicals usually do not survive the blackhead stage and die quickly, even if they hatch.

- Biochemistry:

Cholinesterase inhibitor. Mode of action: Systemic insecticide and acaricide with contact and stomach action.

- Uses:

Control of a wide range of insects (particularly Lepidoptera, Hemiptera, Homoptera, Diptera and Coleoptera) and spider mites in fruit, vines, olives, hops, vegetables, ornamentals, field crops, cucurbits, flax, cotton, tobacco, soya beans, etc. Also used for control of flies in animal and poultry houses and dairies.

- Application:

Methomyl is suitable for cotton, tobacco, fruit trees and vegetables to control aphids, moths, land tigers and other pests, and is a good alternative to control insecticide-resistant cotton aphids. This product is also used as an intermediate of Thiodicarb.

- Phytotoxicity:

Non-phytotoxic when used as recommended, except to some varieties of apple.