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 Bleach (sodium hypochlorite) and Hydrogen peroxide?

Dangerous. Violent decomposition, releases oxygen and heat.
oxidizer
Bleach (sodium hypochlorite)
CAS 7681-52-9
oxidizer
Hydrogen peroxide
CAS 7722-84-1
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What happens

Hypochlorite and peroxide undergo a rapid redox reaction. In closed containers pressure can rupture the vessel.

Reaction products

  • Oxygen (O2)
  • Sodium chloride
  • Water

If contact happens

Never store or mix. Dispose of each separately after neutralization.

Other common mixtures

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