Formaldehydesodium bisulfite adduct is commonly used as a reducing agent and formaldehyde-releasing reagent in organic synthesis pharmaceutical manufacturing textile processing and laboratory research.

The primary purpose of formaldehydesodium bisulfite adduct is to provide a safer and more stable form of formaldehyde for use in chemical reactions reducing the handling risks associated with free formaldehyde.

Formaldehydesodium bisulfite adduct is a white crystalline water-soluble compound formed by the reaction of formaldehyde with sodium bisulfite making it a stable source of formaldehyde.