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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 Ammonia and Bleach (sodium hypochlorite)?

☠Deadly. Do not mix.. Releases chloramine gas. Never mix.
base
Ammonia
CAS 7664-41-7
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oxidizer
Bleach (sodium hypochlorite)
CAS 7681-52-9

What happens

Sodium hypochlorite reacts with ammonia to form chloramine vapors. Inhalation causes pulmonary edema at low ppm. Domestic exposure from mixing cleaners sends thousands to emergency rooms every year in the US alone.

Reaction products

  • Chloramine (NH2Cl, NHCl2)
  • Hydrazine (trace)

If contact happens

Do not mix. If accidentally combined, evacuate the room, open windows, do not return for at least 30 minutes.

Note: CDC MMWR reports repeated household poisonings from bleach and ammonia based cleaners.

Other common mixtures

Bleach (sodium hypochlorite) + Vinegar (acetic acid)☠Bleach (sodium hypochlorite) + Hydrochloric acid☠Bleach (sodium hypochlorite) + Isopropyl alcohol⚠Bleach (sodium hypochlorite) + Ethanol⚠Bleach (sodium hypochlorite) + Hydrogen peroxide⚠Bleach (sodium hypochlorite) + Acetone⚠Hydrochloric acid + Sodium hydroxide!Sulfuric acid + Sodium hydroxide⚠Sulfuric acid + Water⚠
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Educational summary based on public NIOSH, OSHA and CAMEO Chemicals data. Always consult the official Safety Data Sheet before handling.