Acetic Acid

Dilute acetic acid (< 5%) as used in consumer products is typically below GHS classification thresholds. Concentrated glacial acetic acid (≥ 25%) carries H226 (flammable), H314 (skin corrosion), H318 (serious eye damage), H335 (respiratory irritation) — but these hazards apply to the concentrated industrial form, not consumer-level dilutions. Signal word for the concentrate is DANGER. At consumer product concentrations (< 5%), typically Not classified.

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