Formaldehydes and Paraformaldehydes are compounds typically used as disinfectants, histological fixatives, and in chemical synthesis. These products may be available as aqueous solutions.
Paraformaldehyde is used as a disinfectant, hardening agent and waterproofing agent. It is also used to prepare adhesives, resins and dentistry as an antiseptic and contraceptive. It is also employed as a thermoplastic.
Formaldehyde is used as a denaturant in formaldehyde-agarose gel electrophoresis of RNA. It is also used in fiber board, plywood, cigarette smoke, fuel burning appliances, kerosene space heaters and in photography.