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://xwzoi.cn

????

4-?????? ???

 

[Product Name]:
4-Hydroxybenzyl alcohol;4-hydroxybenzenemethanol
[Structural Formula]:
[Molecular Formula]:
C7H8O2
[Molecular Weight]:
124.14
[CAS NO]:
623-05-2
[Packing]:
25kg/cardboard drum
Properties
Appearance
Light yellow or off-white crystal
Melting range °C
114-122
Quality Specifications
Purity %
≥97.0
Moisture %
--

 

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