Methomyl Carbamates Insecticide

Common name: Methomyl

Chemical name:

Methylthio-1-ethylidenamino methylcarbamate

Molecular formula: C5H10N2O2S

Structural formula: 

Molecular weight: 162.21

CAS No. : 16752-77-5

Product description：

Internal carbamate insecticide, both pesticide and stomach toxicity, can effectively control a variety of pests and their larvae and eggs, the residual effect is short. Control cotton bollworm, cotton miner moth, tobacco moth with 24% water spray 24-36ml /100m2. Foliar spray can also be used to control aphids, thrips, red spider, leaf roll worms, slime worms, etc., and soil treatment to control nematodes and leaf pests. In 1966, it was first recommended by Du Pont as insecticide and nematocide. It is suitable for cotton, tobacco, fruit trees, vegetables to control aphid, moth, tiger and other pests, and it is a good substitute for resistance to cotton aphid. This product is also used as an intermediate of Thiodicarb.

Physical and chemical properties:

Appearance and properties: white crystal, with a slight sulfur taste.

Molecular formula: C5H10N2O2S

Molecular weight: 162.21

Melting point (℃) : 78-79℃

Boiling point (℃) : 144℃

Relative density (water =1) : 1.29g/mL

Vapor pressure: 6.67×10Pa (25℃)

Solubility: Soluble in water (5.8g /100 mL), methanol 100%, acetone 73%, ethanol 42%, isopropyl alcohol 22%, toluene 3%, water 5.8%.

It is stable in aqueous solution and easily decomposed in soil. Its aqueous solution is non-corrosive and stable in storage.

Usage：

1. It is a broad-spectrum, quick-acting insecticide, effective against aphid, cotton bollworm and other pests, and can be used in crops such as grain, cotton, vegetables, tobacco, fruit and so on.

2. Broad-spectrum insecticides. With internal absorption, with touch, stomach toxicity. It is suitable for cotton, tobacco, fruit trees, vegetables to control aphid, moth, tiger and other pests, and is a good substitute for resistance to cotton aphid. It is also used as an intermediate of thiocarbamate.