Flammability (or ignitibility) characteristic:
- Liquids with flash point <140o F
- Oxidizers - examples include chlorate, perchlorate, permanganate, nitrate, inorganic peroxide
- Solids that ignite spontaneously through friction, contact with moisture, or spontaneous reaction.
Examples of flammable chemicals:
- most non-halogenated organic solvents
- elemental sodium
- sodium nitrate