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Benzalkonium chloride (BAC) 80% is a highly concentrated solution of a quaternary ammonium compound (quat) widely used as adisinfectant, surfactant, and preservative. Heres what you need to know:
Chemical Formula:(primary component, though BAC is a mixture of alkylbenzyldimethylammonium chlorides).
Appearance: Clear, colorless to pale yellow viscous liquid.
Solubility: Highly soluble in water and ethanol.
Concentration: 80% is a strong industrial-grade solution (typically diluted before use).
Disinfectant & Sanitizer
Kills bacteria, viruses, and fungi (used in hospitals, households, and food processing).
Found in surface cleaners, wipes, and hand sanitizers (at diluted levels, e.g., 0.10.5%).
Preservative
Added to cosmetics, eye drops, and nasal sprays (typically at 0.010.1%) to prevent microbial growth.
Industrial Applications
Used in water treatment, agriculture (as an algaecide), and as a surfactant in textile/lubricant formulations.
Toxicity: Harmful if swallowed, inhaled, or absorbed through skin (80% is highly concentrated!).
Skin/Irritation: Can cause severe irritation, burns, or allergic reactions.
Dilution: Always dilute to the required concentration (e.g., 0.15% depending on use).
Storage: Keep in a tightly sealed container, away from acids and strong oxidizers.
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