Pharm-Rx Benzalkonium Chloride

Pharm-Rx Benzalkonium Chloride, known chemically as benzalkonium chloride, serves as a preservative in pharmaceuticals and nutraceuticals, operating in over-the-counter (OTC) functions. Classified under excipients within pharmaceuticals and nutraceuticals technologies, it plays a crucial role in microbial control and preservation within various pharmaceutical formulations.

Chemical Name: Alkyldimethylbenzylammonium Chloride

CAS Number: 8001-54-5

Functions: OTC, Preservative

Certifications & Compliance: FDA 29 CFR 1910.1200

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    Identification & Functionality

    Pharma & Nutraceuticals Functions
    Molecular formula

    Benzalkonium Chloride is a mixture of alkylbenzyldimethylammonium chlorides of the general formula: [C₆H₅CH₂N(CH₃)₂R]Cl in which R represents a mixture of alkyls, including all or some of the group beginning with n-C₈H₁₇ and extending through higher homologs, with n-C₁₂H₂₅, n-C₁₄H₂₉, and n-C₁₆H₃₃ composing the major portion. On the anhydrous basis, the content of the n-C₁₂H₂₅ homolog is not less than 40.0%, and the content of the n-C₁₄H₂₉ homolog is not less than 20.0% of the total alkylbenzyldimethylammonium chloride content. The amount of the n-C₁₂H₂₅ and n-C₁₄H₂₉ homolog components together is not less than 70.0% of the total alkylbenzyldimethylammonium chloride content. The total alkylbenzyldimethylammonium chloride content, calculated on the anhydrous basis, with allowance made for the amount of residue on ignition, is not less than 97.0% and not more than 103.0% of [C₆H₅CH₂N(CH₃)₂R]Cl.

    Applications & Uses


    Physical Form

    Regulatory & Compliance

    Certifications & Compliance
    USP Reference Standards
    • USP Benzaldehyde RS USP Benzalkonium Chloride RS USP Benzyl Alcohol RS