NFPA Diamond

Health hazard color

Blue

Flammability hazard color

Red

Reactivity hazard color

Yellow

Special information color

White

Which quadrants of the diamond are each hazard in?

Health- Left

Flammability- Top

Reactivity- Right

Special Information- Bottom

Health Hazard 0

Normal Marerial

Health Hazard 1

Slightly Hazardous

Health Hazard 2

Hazardous

Health Hazard 3

Extreme Danger

Health Hazard 4

Deadly

Flammability Hazard 0

Will Not Burn

Flammability Hazard 1

Above 200*F

Flammability Hazard 2

Flash Point above 100F, not exceeding 200F

Flammability Hazard 3

Flash Point below 100*F

Flammability Hazard 4

Flash Point below 73*F

Reactivity Hazard 0

Stable

Reactivity Hazard 1

Unstable if Heated

Reactivity Hazard 2

Violent Chemical Change

Reactivity Hazard 3

Shock and Heat May Detonate

Reactivity Hazard 4

May Detonate

Special Information- OX

Oxidizer

Special Information- W with a slash through it

Use no water

Special Information- ACID

Acid

Special Information- ALK

Alkali

Special Information- COR

Corrosive