Used in pickling and preservation of hides to improve the fastness of dyes and render casein, albumin and gelatin insoluble. In the manufacture of phenolic resins, dyes. As a disinfectant, fungicide, insecticide. Preservative and water-repellent agent.
Identified uses:
Production and use of aqueous formaldehyde solutions (30-60%)
Industrial use of preparations with formaldehyde content from 1% up to 5%