Educational summary of documented chemical interactions. Do NOT attempt any of these mixtures. If an accidental mix occurs, evacuate, ventilate, and call emergency services. Terms of use.

Chemical mixture

Can you mix Sulfuric acid and Sodium hydroxide?

Dangerous. Extremely exothermic, can boil and splash.
acid
Sulfuric acid
CAS 7664-93-9
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base
Sodium hydroxide
CAS 1310-73-2
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What happens

Concentrated sulfuric acid and NaOH release enough heat to flash boil the water. Splashes cause deep chemical burns.

Reaction products

  • Sodium sulfate
  • Water

If contact happens

Dilute each reagent below 10 percent before mixing. Use a cooled bath, face shield, apron.

Other common mixtures

See all 35 mixtures →

Educational summary based on public NIOSH, OSHA and CAMEO Chemicals data. Always consult the official Safety Data Sheet before handling.