中国品牌·金沙9001w(以诚为本)-最新GREENMAX

SZSE:002741
Chemical Reagents
Polyvinyl alcoholCOA Report
  • CAS No.: 9002-89-5
  • Molecular formula:HO(C2H4O)nH
  • HS-No:39053000
Information
Specification category:
Product No. Product name specifications
1.17142.040 Polyvinyl alcohol Imp500g
Characteristic: Appearance and properties:milky white powder.
Relative density(water=1):1.31-1.34(crystals,water=1)
Solubility:insoluble in petroleum ether,soluble in water.
Technical indicators:
Item Imp
Assay(degree of hydrolysation) ≥95.0%
Loss on drying ≤5.0%
Residue on ignition(as sulfate) ≤0.8%
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