Description
BKC 50%” refers to a 50% concentration of Benzalkonium Chloride (BKC), which is a chemical compound with a wide range of uses.The “50%” indicates the concentration of the active ingredient, benzalkonium chloride, in a solution. The rest of the solution is typically water or other solvents. BKC is commonly available in concentrated forms like 50% and 80% solutions for industrial and commercial use. These concentrated forms are then diluted for specific applications.
Physical & Chemical Properties
| Parameter | Specification |
|---|---|
| Active Content (BKC) | 50% ± 1% |
| Appearance | Clear to pale yellow liquid |
| Odor | Mild aromatic/ammonia-like |
| pH (10% solution) | 6.0 – 8.0 |
| Free Amine | Max 1% |
| Density @ 25°C | 0.96 – 0.99 g/mL |
| Solubility | Completely soluble in water, alcohols |
| Color (Hazen/APHA) | Max 100 |
| Cloud Point | Below 0°C |
| Surface Tension (0.1% sol.) | 28–35 dynes/cm |
| Flash Point | Non-flammable |
Common Uses of BKC 50%
Due to its potent antimicrobial properties, BKC 50% is used in a variety of industries:
Disinfectants and Sanitizers: It is a key ingredient in many household and hospital disinfectants, as well as hand sanitizers and antibacterial wipes.
Water Treatment: It is used as a biocide and algaecide in water treatment for swimming pools, cooling towers, and other industrial water systems.
Pharmaceuticals and Cosmetics: In much lower concentrations (typically 0.004% to 0.1%), it’s used as a preservative in eye drops, nasal sprays, and other topical medications to prevent microbial growth.
Industrial Applications: It acts as a preservative, surfactant, and emulsifier in various products and processes, including the textile, leather, and pulp and paper industries.
Agriculture: It’s used as a disinfectant in places like beekeeping to treat diseases.
It’s important to note that while the concentrated BKC 50% solution is a valuable industrial chemical, it can be toxic and corrosive, causing irritation to the skin and eyes. Therefore, it should be handled with appropriate safety measures and always used in its properly diluted form for consumer applications.
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