... cross-linking agent; in the preparation of heterocyclic compounds; also used for plastics, adhesives, fuels, perfumes, textile, paper making ... -linking agent; in the preparation of heterocyclic compounds; also used for plastics, adhesives, fuels, perfumes, textile, paper making ... water treatment, biocides, leather tanning, etc.be used for system disinfection and as a preservative for long term storage ...