欧美日韩国产乱了伦_欧美午夜一区二区福_国产在线无码免费专区_97人人超人人摸人人爱

中文版 English Korean

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

????

p-????????

 

[Product Name]:
Para-toluenesulfonate
[Structural Formula]:
[Molecular Formula]:
C7H9NO2S
[Molecular Weight]:
171.22
[CAS NO]:
70-55-3
[Packing]:
25kg/cardboard drum
Properties
Appearance
White crystal
Melting range °C
134-137
Quality Specifications
Purity %
≥99.0
Moisture %
--

 

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