Benzalkonium chloride

Benzalkonium chloride.

Description:

Benzalkonium chloride (BAC) is a quaternary ammonium compound widely used as a disinfectant, antiseptic, and preservative. It is effective against a broad spectrum of microorganisms including bacteria, fungi, and some viruses, making it a staple in pharmaceutical, clinical, and industrial hygiene applications.

Key Features:

• Chemical Formula: C₆H₅CH₂N(CH₃)₂RCl (where R = alkyl group, typically C₁₂–C₁₆)

• Appearance: Clear to slightly yellowish liquid (in solution)

• Solubility: Freely soluble in water and ethanol

• Concentration: Supplied in various concentrations (commonly 50%, 80%, or pure)

• CAS Number: 8001-54-5 (mixture), or individual alkyl chain variants

• Cationic surfactant – also acts as a detergent

🧪 Applications:

• Disinfectant for surfaces, instruments, and skin antiseptics

• Preservative in:

  • Ophthalmic and nasal drops

  • Cosmetic and personal care products

  • Pharmaceuticals (topical formulations)

• Algaecide and bactericide in water treatment and industrial systems

• Sanitizer in food processing, veterinary, and hospital settings

Catalog Number:10734034