毛片24种姿势无遮无拦,丁香色情成人免费视频网站,亚洲精品无码高潮喷水A片第一次,亚洲精品无码久久毛片

中文版 English Korean

??:+86-573-82813639, 83621335
??:+86-573-82813637
???:? ? +86-13605839392
??:sales@jlightchem.com
???:http://www.xwzoi.cn

????

Ethyl (p-tosyloxy)acetate

 

Product name Ethyl (p-tosyloxy)acetate
Structural Formula
Molecular Formula C11H14O5S
Molecular Weight 258.29 
CAS No. 39794-75-7
Packing  
Properties
Appearance White crystal powder
Melting range °C 45.0-49.0
   
Quality Specifications
Purity % ≥98.0
Moisture % ≤0.5
   

 

[ CLOSE ]
Copyright(C)2012, ??? ????? ?? All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle