国产在线视频WWW色,宅男666在线永久免费观看 ,日本边添边摸边做边爱喷水,狼群影院www

中文版 English Korean

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

????

??p-???????

 

[Product name]:
P-Toluene sulfonic acid Methyl Ester
[Structural Formula]:
[Molecular Formula]:
C8H10O3S
[CAS NO]:
80-48-8
[Packing]:
200kg net iron drum; Loading:16mt; Size:58cm*90cm
Properties
Appearance
White crystals,slowly change to yellowish clear liquid if heated
Boiling range °C(20 mm Hg)
--
Quality Specifications
Purity %
98% min
Moisture %
--

 

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