亚洲日韩成人无码丨欧美日本韩国亚洲丨亚洲精品av无码重口另类丨欧美国产成人精品二区芒果视频丨春色校园激情综合在线丨国模晨雨浓密毛大尺度丨国产在线视频网站丨免费av网站在线丨大帝av在线一区二区三区丨国产另类xxxx丨九色九一丨综合色影院丨国产精品女人和拘丨国产日韩精品久久丨国产理论精品丨日本污ww视频网站丨狠狠色噜噜狠狠狠狠av丨日日骚视频丨九九热视频免费观看丨a级片免费在线观看丨成人av番号网丨9l视频自拍九色9l视频成人丨久章草影院丨精品亚洲成av人在线观看丨91黄色免费

Clear colorless to yellowish liquid .Dissolve in water , dissolve in acetone and the chloroform , drift along with alcohol , methanol and chloroform dissolving. Boiling point: 100 ~C/ 0.8 mmHg Density: 1.122 Refractive index n20 / D: 1.456 Flash point: 113 ° C

Chemical reagent,and fine chemical, and pharmaceutical intermediates, and material intermediate