美国麻豆一区二区三区视频_国产一级黄色彔像免费在线_国产A级毛片高清_91成人电影在线免费观看_国产一区福利导航_国产尤物在线播放_婷婷色综合激情五月天_A片视频大全日韩特黄

Dongying Shengpai Chemical Co.,Ltd.
Sales hotline:+86-18678649889       Chinese   |   English

p-Aminobenzoic acid


Product name:   p-Aminobenzoic acid
CAS NO.:   150-13-0 
Molecular formula   C7H7NO2 
Structural formula :
Assay:99.5%
FW=137.13
Mp=186~189℃




  Previous product: NMP
  Next product: None