色综合久久综合网欧美综合网-色婷婷综合久久久-国内久久久久久久久久-久久久久久精品久久久 ,AV欧日韩在线观看_国产日韩综合一区_人人妻人人爽人人狠狠一_亚洲人成久久播播

Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

Collection ｜Homepage ｜中文版

More>>
Sodium sulfite
Product name: Sodium sulfite
CAS NO: 7757-83-7
Molecular weight: 126.04 
EC NO: 231-821-4
Molecular formula: Na2SO3
InChI: InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Structural formula:
  Order                   Back