久久久久久蜜桃一区二区 欧洲美女大胆潮喷 精品少妇熟女ⅤⅤ免费久久久免费 超碰五月天亚洲论坛

  熱線電話:021-54370211?    

Anisole

Benzene methyl ether is also called the sledge ether, methoxy benzene, methyl phenyl ether, a colorless liquid with anise smell, taste sweet, natural exists in tarragon essence oil, insoluble in water, soluble in ethanol, ethyl ether, acetone, soluble in benzene.
Stimulate the eyes and mucous membranes.
Originally from the distillation of salicylic acid methyl ester or methoxy benzoic acid, now mainly using dimethyl sulfate methylation reagent which is reaction with phenol in alkaline aqueous solution.
Phenyl ether can easily occur with electrophilic substitution in the aromatic nucleus.
To form a viscous oil or resin with formaldehyde.
In response to chlorophosphate, the formation of chlorobenzene and a small number of adjacent chlorine products;
Sulfonyl chloride reacts with 2, 4, 6-trichlorobenzene.
In addition, benzene methyl ether and hydrobromic acid or heating with hydroiodic acid, carbon-oxygen bond rupture occurs, generation of phenol and halogen methane, it is the important method for determination of methoxyl group on the benzene.

@ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

定陶县| 吴江市| 临高县| 古浪县| 苍溪县| 全州县| 吉安市| 靖江市| 凉城县| 报价| 申扎县| 资溪县| 博客| 个旧市| 建瓯市| 正宁县| 内黄县| 塘沽区| 凤山县| 望奎县| 渝中区| 永康市| 宁陕县| 安远县| 澄江县| 余姚市| 炎陵县| 抚宁县| 盘锦市| 卢氏县| 阆中市| 武威市| 南投县| 游戏| 五常市| 东明县| 阳朔县| 西和县| 福海县| 长治市| 阿鲁科尔沁旗|