日韩在线网址丨亚洲国产网丨日韩一区二区三区在线免费观看丨91麻豆免费视频丨欧美最猛黑人xxxx黑人猛交98丨动漫美女露胸网站丨在线中文字幕亚洲日韩2020丨2022天天躁狠狠燥丨精品久久久久久久久久软件丨永久免费精品成人网站丨久久久久亚洲精品成人网小说丨国产在线看片丨黄色录像a丨欧美巨大巨粗黑人性aaaaaa丨邪恶肉肉全彩色无遮盖丨天天摸天天做天天爽天天弄丨国产天堂在线丨欧美三级午夜理伦三级丨99精品视频在线播放免费丨涩视频在线观看

2,4-二氟苯胺
Foreign name: 2,4-Difluoroaniline
Chemical formula C6H5F2N CAS Number: 367-25-9
Properties: light yellow oily substance.
Content: ≥99.5%
Moisture: ≤0.2%
Freezing point: -7.5～-7℃
Boiling range: 169-171℃
Density: 1.20-1.27 g/mL
Storage: room temperature, dark, cool and dry place, sealed and stored