Description
Specifications Table
Product Name – BENZALKONIUM CHLORIDE AQUEOUS SOLUTION
Quantity/Pack Size – 500 ml, 1000 ml, 5000 ml
Form – Liquid (Aqueous Solution)
Grade – Laboratory Grade
Application – Disinfectant, Antiseptic, Surface Sterilization, Reagent Preparation
Product Overview
Benzalkonium chloride aqueous solution is a quaternary ammonium compound widely recognized for its potent antimicrobial properties. This lab-grade formulation serves as an effective disinfectant, antiseptic, and preservative in laboratory settings. The solution exhibits broad-spectrum activity against Gram-positive and Gram-negative bacteria, fungi, and enveloped viruses, making it indispensable for maintaining aseptic conditions. Its cationic surfactant nature allows it to disrupt microbial cell membranes, ensuring rapid and reliable sterilization. The aqueous form ensures easy dilution and compatibility with most lab equipment and glassware. Unlike alcohol-based disinfectants, benzalkonium chloride remains active in the presence of organic matter, providing prolonged protection. The solution is stable under normal storage conditions, though prolonged exposure to light or extreme temperatures may degrade its efficacy. It is commonly employed for decontaminating workbenches, instruments, and culture media preparation. The absence of residual toxicity after rinsing makes it suitable for applications requiring minimal interference with subsequent experimental procedures. This product adheres to laboratory-grade purity standards, ensuring consistency and reliability in research and diagnostic applications.
FAQs
1. What is the shelf life of benzalkonium chloride aqueous solution when stored properly?
The solution typically retains its efficacy for 24 months from the date of manufacture when stored in a tightly sealed container at room temperature, away from direct sunlight and moisture. Always check the label for the exact expiry date.
2. Can this solution be used for disinfecting plastic labware without causing damage?
Benzalkonium chloride is generally safe for most plastic labware, including polypropylene and polystyrene, when used at recommended dilutions. However, prolonged exposure or high concentrations may cause clouding or degradation in some plastics. Rinse thoroughly after disinfection.
3. Is this solution compatible with other common lab disinfectants like sodium hypochlorite?
Avoid mixing benzalkonium chloride with anionic detergents, iodine, or hypochlorite solutions, as this can lead to precipitation and reduced efficacy. Use separately and rinse equipment between applications if combining different disinfectants.
4. What is the recommended dilution ratio for general lab surface disinfection?
For routine surface disinfection, a 1:100 to 1:200 dilution (0.5–1% concentration) in distilled water is typically effective. For critical applications or high-risk contamination, a 1:100 dilution is preferred. Always follow institutional biosafety guidelines.
5. How should spills of benzalkonium chloride solution be handled in the lab?
Absorb small spills with inert materials like sand or vermiculite, then neutralize with a dilute sodium thiosulfate solution if necessary. For larger spills, contain the area, ventilate, and clean with plenty of water. Avoid skin contact and use appropriate PPE during cleanup.
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