Chemical IncompatibilityCAS 7647-01-0 · 7681-52-9
Mixing Bleach and Hydrochloric Acid: Chlorine Gas Danger
No — Strong acid + hypochlorite/chlorine-releasing compound releases toxic chlorine gas (Cl₂); never mix.
Verdict — INCOMPATIBLE
Compatibility Assessment
incompatible
Strong acid + hypochlorite/chlorine-releasing compound releases toxic chlorine gas (Cl₂); never mix
Verified source
- Basis
- GHS Reactive Group Rule
- Reference
- CAMEO:1x44-acid-hypochlorite-chlorine-gas
- Last verified
- 2026-07-15
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