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small noaa logo Home | Students and Teachers | Responding to Chemical Spills
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Chemical Spill Guided Tour: Part 7

In another kind of serious chemical accident, two or more chemicals may react together when they accidentally mix. Especially violent reactions can cause fires or explosions.

NOAA Office of Response and Restoration scientists and colleagues from the U.S. Environmental Protection Agency developed a chemical reactivity worksheet, which emergency responders can use to quickly find out about reactivity hazards. The worksheet is available as part of CAMEO and as a standalone program.

Among all hazardous chemicals, sulfuric acid is produced in the largest volume in the U.S. Click any link below to find out predicted reactivity hazards if you mix sulfuric acid with three other common hazardous chemicals, air, and water.

Ethylene Oxide and Sulfuric Acid

Spontaneous ignition...exothermic reaction...may generate heat...violent polymerization.

Butadiene and Sulfuric Acid

Spontaneously flammable in air...exothermic reaction…violent polymerization.

Ammonia and Sulfuric Acid

Explosive when dry...sensitivity to detonation...highly flammable...exothermic reaction.

Air and Water and Sulfuric Acid

Reaction with water is negligible unless acid strength is above 80-90%....

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