Chemical name

2-cyano-N-[(ethylamino) carbonyl]-2-(methoxyimino)acetamide

Chemical Class/Use

acetimide compound used as both curative and preventative foliar fungicide

Specific gravity

At 18 C, absolute density is 1.32g/cm3; bulk density is 0.39 g/ml (24.5 lb/ft3)

Trade or other names

Some trade names for products containing cymoxanil include Curzate, Sygan, and Syphal. In addition, there are many premix formulations with various trade names.

Solubility in water

0.1g/100g solvent at 25C

Solubility in other solvents

Aqueous buffers at 20 C: 890 ppm at pH5; 780 at pH7; unstable at pH9

Organic Solvents at20C

62.4 mg/ml in acetone; 133 mg/ml in methylene chloride; 57.0 mg/ml in acetonitrile; 28 mg/ml in ethyl acetate; 22.9 mg/ml in methanol; 5.29 mg/ml in toulene; 1.43 mg/ml in 1-octanol; and 37 ppm in n-hexane

Melting point

159-160C

Boiling point

not a liquid

Vapor pressure

1.50 x 10-4 Pascals at 20C (1.1 x 10-6 mm/Hg)

Properties:

Cymoxanil technical is pink powder, melting point: 160c, solubility: water 890g/L (pH 5, 20 c), aceton: 62.4mg/L, methanol: 22.9mg/L, hexane: 5.3mg/L, acetonitrile: 57mg/L, ethylacetate: 28mg/L. Bulk density: 250-350g/L. It is stable under the normal and acid condition, decompose under alkali and light illumination condition.

Application

Cymoxanil is a broad spectrum and systemic fungicide, it is used to protect many fruit, vegetable, and field crops against a wode spectrum of fungal diseases, inculding downy mildew, early and late blight, phytophthora rot, increase the effocacy and broaden the usage spectrum.