Formalin vs Formaldehyde Chemically, both formalin and formaldehyde refer to the same active compound, but they differ in the formulation. Formaldehyde acts as the basic chemical, but its name has attracted many synonyms to follow. Starting from its chemical systematic name which is ‘methanal’, it is also known as; Formalin, Formic Aldehyde, Paraform, Formol, […]