Description of Formic Acid Popular Name: Methanoic acid or Formic acid Formula: HCOOH CAS NO.: 64-18-6 Dangerous Goods Class: 8 Classification: Carboxylic acid Molecular Structure: HCOOH Appearance: clear & transparent liquid Packange of Formic Acid 25kg/35kg/250kg/1200kgs IBC drums, ISO tank Usage Formic Acid 85% 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.