Boron trifluoride is one kind of toxic, corrosive and non-flammable gas. It can form white fog when it contact with air. Its has larger density than air. It can react with water and form acidic boron trifluoride hydrate. It has nauseous odor and can be checked out in low concentration. Persons who enter its zone should wear SCBA, or complete protective clothing during its leakage.
