The National Fire Protection Association (NFPA) hazard system for chemical materials.
The National Fire Protection Association (NFPA) has developed a system for indicating the health, flammability, reactivity and special hazards for many common chemicals through use of the NFPA 704 Diamond.
|Deadly, even the slightest exposure to this substance would be life threatening.
|Flash Point Below 73 F
This substance is extremely flammable, volatile and explosive.
Substances may explode at normal temperatures and pressures.
use no water
|Extreme Danger: serious injury would result from exposure to this substance.
|Flash Point Below 100 F
Flammable, volatile or explosive at normal temperatures and pressure.
Capable of detonation or explosion by heat, shock or water.
|Dangerous: exposure to this substance would be hazardous to health.
|Flash Point Below 200 F
Moderately heated conditions may ignite this substance.
Violent chemicals changes are possible at normal temperatures or pressures or when mixed with water.
|Irritation or minor injury would result from exposure to this substance.
|Flash Point Above 200
Substance must be preheated to ignite.
Substances which may become unstable at elevated temperatures or pressures or with water.
|No significant hazard or health risk.
|Will Not Burn.
Substances remain stable with heat, pressure and with water.