Description

Benzalkonium Chloride is a versatile and highly effective quaternary ammonium compound (quat) widely recognized for its potent antimicrobial and surfactant properties. This makes it a critical ingredient for formulators seeking reliable biocidal activity and surface modification across numerous industries. Key sectors that depend on this compound include disinfectant manufacturing, personal care, pharmaceuticals, and water treatment. Our supply of Benzalkonium Chloride CAS NO 8045-21-4 is backed by stringent quality control to ensure consistency and performance for your specific application needs.

Application

• Disinfectants & Sanitizers: A primary active ingredient in hospital-grade disinfectants, surface cleaners, and hand sanitizers for its broad-spectrum efficacy against bacteria, viruses, and fungi.
• Personal Care & Cosmetics: Used as a preservative and antimicrobial agent in products like shampoos, conditioners, wet wipes, and eye care solutions.
• Pharmaceuticals: Serves as a preservative in nasal sprays, eye drops, and topical ointments, and as a disinfectant for medical devices and equipment.
• Water Treatment: Employed as an algicide and bactericide in industrial cooling towers, swimming pools, and wastewater systems.
• Agricultural & Industrial Biocides: Formulated into products for mold and mildew control, wood preservation, and as a biocide in fuel lines and industrial process fluids.
• Textile & Leather Processing: Acts as a softening agent, antistatic agent, and provides antimicrobial finishing to fabrics.

Basic Information

Product Name	Benzalkonium Chloride
CAS No.	8045-21-4
Molecular Formula	Mixture of [C6H5CH2N(CH3)2R]Cl, where R = C8H17 to C18H37
Molecular Weight	Varies by alkyl chain length (C12 approx. 339.99 g/mol)
Synonyms	Alkyl Dimethyl Benzyl Ammonium Chloride; ADBAC; BZK; BAC; Zephiran Chloride; Benzalconium Chloride; Quaternary Ammonium Compound; N-Alkyl-N,N-dimethylbenzenemethanaminium Chloride
EINECS	279-134-3

Quality Control

Our Benzalkonium Chloride is manufactured under a cGMP-compliant quality management system to ensure it meets the rigorous demands of pharmaceutical, cosmetic, and industrial applications. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. Certificates of Analysis (COA) documenting compliance with relevant specifications such as USP, EP, or FCC (where applicable) are available upon request to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (as C12 Homologue)	≥ 50.0% (or as per grade)
pH (10% Solution)	5.0 - 8.0
Water Content	≤ 1.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.