MSDSChain Chemical Safety Reference

Chemical IncompatibilityCAS 7664-93-9 · 7681-52-9

Mixing Sulfuric Acid and Bleach: Chlorine Gas Risk Explained

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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