Formaldehyde 37% Chemical formula: CH2O, HCHO Clear,colorless,has a ... of Methanol %<1.81.0the content of Formaldehyde %37.0-37.437.11(HCoh) Acid %<0.020.009Hazen Colority< ... synthetic vinylon - PVF), leather industry, medicine, dyes, etc. . Formalin has bactericidal and anti-corrosion ability of biological specimens can ... industry developed, the great demand for formaldehyde. Formaldehyde 37% chemical