Name and Structure
common name: Ethofumesate
chemical name: (±)2-ehtoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranyl methanesulfonate
molecular formula: C13H18O5S
molecular weight: 286.3
Physical and Chemical Properties
Achromatistous crystal , melting point:70-72°C,steam pressure:0.065mPa(25°C);relative density:1.14g/cm3(25°C);solubility(25oC);0.05g/L in water,400g/L in acetone?benzene?chloroform and dichloromethane;100g/L in ethanol,4g/L in hexane;melting point of industrial product;68-71°C,it is stable in neutral solution and decompounds in stong acid or strong acid or strong alkali.
Oral toxicity to rat LD50>6400mg/Kg,cutaneous toxicity to rat LD50>1440mg/Kg,inhalation toxicity to rat LD50(6h)>500mgAI/m3.
Ethofumesate is a kind of herbicide which uses before sprouting or after sprouting,it can control weeds of many important Graminaceous plants and broad leaf plants,and control weeds of sugar beet meadow?greensward meadow and other meadows,such as rye grass and so on.It is persistent in soil.
97%Ethofumesate MT(maternal technie)
Ethofumesate MT is enclosed by black plastic in cardboard barrel,40Kg per barrel.
Dong Feng Chemical Industry Co.,Ltd.of the Zhejiang Province.