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 Ethanol and Water?

Safe to mix. Fully miscible, mild volume contraction.
solvent
Ethanol
CAS 64-17-5
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water
Water
CAS 7732-18-5

What happens

Ethanol and water form hydrogen bonded mixtures. Total volume is slightly less than the sum of parts (~3.5 percent contraction at 50:50).

Reaction products

  • Aqueous ethanol

If contact happens

No specific hazard beyond ethanol flammability.

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.