久久爱综合久久爱久久爱,间谍过家家第二季在线观看免费,国产美女在线精品免费观看网址,欧美+日本+国产+在线观看

Welcome to Fujian Yongjing Technology Co., Ltd. the website!

Contact us

Add: 18#, Xin'An Road, Shaowu City, Fujian, China
International Trade Dept.
Tel: +86-599-6655932/6654968
Fax: +86-599-6654591
Home Trade Dept. 
Tel: +86-599-6654866/6654968
Fax: +86-599-6655755
High-purity Chemicals Dept.
Tel: +86-599-6655536/6654968
Fax: +86-599-6655755


Products

Difluoroacetic acid ethyl ester

Quality standard

Molecular formula: C4H6F2O2

Molecular weight: 124.09

CAS:454-31-9

Character

Characteristics

 

Colorless Liquid

Related Substances

Other Impurities

<1.0%

Moisture

≤100ppm

Puer(GC)

≥99%

Character:

boiling poinbt: 98℃; colorless clear liquid; lightly soluble in water; mixing dissolved in organic substance, as, ethyl alcohol and diethyl ether

To use:

medical, pesticide intermediate

Storage:

Sealed preservation; in ventilated and dry place; keep it away from oxide

Transportation:

As common chemicals

Storage:

plastic drum 220kg/drum

【Back】

Copyright(C)2017,Fujian Yongjing Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

久久亚洲AV午夜福利精品一区| 欧美毛片又粗又长又大电影| 最近2019中文字幕电影免费看 | 久久综合久久鬼色| 毛片免费看| 免费观看夜里30款禁用软件| 末发育女av片一区二区在线观看 | 欧美VPSWINDOWS| 亚洲AV日韩精品久久久久久久| 久久香蕉国产线熟妇人妻| 亚洲AV无码国产精品久久不卡| 永久免费观看不收费的软件5| 97在线观视频免费观看| 亚洲国产精品无码久久久老少| 人妻~夫の上司犯感との| 久久久久久久久| 精品午夜福利在线观看| 亚洲成色www久久网站夜月| 久久精品国产99久久无毒不卡| 亚洲av色情成人永久网站小说| 无码精品一区二区三区| 中文人妻av久久人妻水| 国产人A片777777久久| 亚洲av片不卡无码久久蜜芽| 久久久久性色AV毛片特级| 人人妻人人澡人人爽精品日本| 麻豆乱码国产一区二区三区| 亚洲精品无码一区二区| 久久精品无码精品免费专区| 精品无码av无码免费专区| 亚洲欧美精品SUV| 国产伦精品一区二区三区| 色欲久久久天天天综合网| 精品熟女少妇av免费观看| 久久久久噜噜噜亚洲熟女综合 | 猫咪www免费人成网站无码| 国产成人无码aa精品一区| 少妇被又大又粗又爽毛片欧美| 欧美另类熟妇XXXX久久A片 | 免费看美女视频的软件| 97无码人妻精品1国产精东影业|