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Benzalkonium Bromide

A quaternary ammonium compound used as a disinfectant, antiseptic, and preservative in various products.

Mineral or nutrientUpdated Apr 9, 2026
Health score-3.0
-5Poor5

Water guidelines

Legal limit
Not specified
Health guideline
Not specified

Food and supplement guidelines

Legal limit
Not specified
Health guideline
Not specified

Risks

Skin and respiratory irritation, potential sensitization, aquatic toxicity, regulatory restrictions for some uses

Benefits

Broad-spectrum antimicrobial activity, preservative efficacy