... China from 2009 Leather chemical Formic Acid(mode of production: sodium formate and sulfuric acid)1.Popular Name: Methanoic acid2 ... .Classification: Carboxylic acid7.Appearance: Colorless fuming and inflammable liquid with strong irritating smell,soluble in water ... widely used in pharmaceutical industry, leather industry, printing and dyeing industry, chemical industry, rubber industry, steel industry, ...