Reactive Hazard : The ability of a chemical to change or react with another agent thereby causing undesirable or dangerous effects such as heat, explosion or toxic emissions
W. A. N Dorland and E. J. Taylor (editors), Glossary of MSDS Terms, Texas A&M University, USA 2001. http://www.bio.tamu.edu/USERS/TONNA/GLOSSARY.HTM, (MSDS - Amer) {631}