Molecular Formula | C12H16O3 |
Molar Mass | 208.26 |
Physical and Chemical Properties | Chemical quality This product is a white solid crystal, m.p.80 ~ 81 ℃, insoluble in water, soluble in benzene, toluene and other organic solvents. |
Use | Uses 2, 2-dimethyl p-ethoxyphenylacetic acid is an intermediate of pyrethroid ethrethrin. |
Raw Materials | 2-(4-ETHOXYPHENYL)-2-METHYL PROPIONITRILE |
the preparation method is to add 2, 2-dimethyl p-ethoxycyanobenzyl, potassium hydroxide aqueous solution and ethylene glycol into a three-mouth bottle, react under stirring at 121~126 ℃ for 8h, cool to room temperature, add water and benzene, separate the benzene layer, adjust the pH value of the water layer to below 2 with concentrated hydrochloric acid, extract with benzene, wash with water, and evaporate the benzene to obtain the product.