精品无码久久久久成人漫画,天天躁恨恨躁夜躁2020,久久人人爽人人人爽成人av片,无码熟妇αⅴ人妻又粗又大
SZSE:002741
Chemical Reagents
Polyethylene glycol 200COA Report
  • CAS No.:25322-68-3
  • Molecular formula:HO(C2H4O)nH
  • EC No.:500-038-2
  • HS-No:39072011
Information
Specification category:
Product No. Product name specifications
1.17130.010 Polyethylene glycol 200 Imp500mL
Characteristic: Appearance and properties:colorless,odorless viscous liquid or waxy solid.
Concentration:pure product
Solubility:soluble in water,soluble in most organic solvents such as ethanol.
Technical indicators:
Item Imp
Average molecular weight 180~220
pH-value(50g/L solution,25℃) 4~7
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
精品无码久久久久成人漫画,天天躁恨恨躁夜躁2020,久久人人爽人人人爽成人av片,无码熟妇αⅴ人妻又粗又大