CAS number: 64-18-6 

Molecular formula: HCOOH  

ITEM        First grade              Second Grade

Colour Index            10 max    20 max

  Purity      90% min             85% min

  Sulphate as SO4  0.001% max           0.002% max

  Chloride as CL       0.003% max         0.005% max

  Iron as FE             0.0001%max         0.0005%max

  Evaporation residue             0.006% max          0.02% max

Usage: widely used in pharmaceutical industry, leather industry, printing and dyeing industry, chemical industry, rubber industry, steel industry, paper industry, pesticide industry, food industry, poultry industry etc.