日韩欧美一级毛片免费,免费一级无码电影,韩国黄色一级二级,1级片黄片免费视频











Phenolsulfonic acid

Product name: 4-Hydroxybenzenesulfonic acid
Synonyms: 4-hydroxy-benzenesulfonicaci;4-Hydroxyphenylsulfonic acid;4-hydroxyphenylsulfonicacid;4-Phenolsulfonic acid;4-phenolsulfonicacid;Benzenesulfonic acid, p-hydroxy-;Benzenesulfonicacid,4-hydroxy-;Phenol-4-sulfonicacidsolutio
Appearance: Light brown transparent liquid
CAS NO.: 98-67-9
Formula: C6H6O4S(C6H6O4S)
Molecular weight: 174.17
Purity: ≥65% or ≥75%
Package: 250kg/drum




  Previous product: M-Cresol
  Next product: 2,5-Dimethylphenol