Glutaraldehyde is transparent colorless liquid, sharp fruity medicinal odor, and miscible with **, alcohol, and benzene. It is widely used for oil production, medical care, bio-chemical, leather treatment, tanning agents, protein cross-linking agent; in the preparation of heterocyclic compounds; also used for plastics, adhesives, fuels, perfumes, textile, paper making, printing; corrosion prevention of instruments and cosmetics etc.