国产孕妇孕交大片孕_免费看一级毛片的网址_小H片在线观看网址免费_韩国a级片在线观看_狼友亚洲精品456在线播放_国产三级无码视频_91人妻成人精品一区二区_国产性色av内射白浆肛交后入_亚洲人成绝费网站WWW_av网站18禁在线天堂8

揚(yáng)中市天力化工有限公司

Yangzhong Tianli Chemical Co., Ltd.

 

 

Customer Service Hotline

+86-511-88525239

PRODUCT CENTER

+MORE+

New products
Bromobenzene series
Pyrazole series
Quinoline series
Isoxazole series
Nitro Compounds
Ester Compounds
Others

Products

　
Product Type 　New products
Product Name 　4-hydroxy-n-phenylbenzene sulphonamide
Details 　
4-hydroxy-n-phenylbenzene sulphonamide
CAS # ： 161356-05-4
Structural formula:
Molecular formula: C12H11NO3S
Molecular weight: 249.28
Appearance: Off-white powder
Melting point: 141.0-143.0℃
Quality standard: ≥99.0% HPLC
Moisture: ≤0.5%
Packing: 25kg/cardboard drum
Price: 105,000 yuan/ton

tianli Chemical