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BKC-50%: A Potent Solution for Fighting Bacteria, Fungi, and Viruses
Introduction
BKC-50% – Benzalkonium Chloride is a widely used quaternary ammonium compound known for its potent antimicrobial properties. It is a chemical that has a broad spectrum of effectiveness against bacteria, fungi, and viruses, making it an core ingredient in various industrial and consumer products. One of the most popular forms of BKC is BKC 50%, an aqueous solution containing 50% by weight of the active ingredient, Benzalkonium Chloride. Maxwell Additives, a leading manufacturer of specialty chemicals, offers BKC 50% as a highly versatile biocide that plays a crucial role across several industries. From enhancing laundry detergents to preventing microbial growth in paints, adhesives, and cooling systems, Benzalkonium Chloride BKC 50 provides reliable, cost-effective, and environmentally friendly solutions to microbial contamination.
This article delves into the key features, characteristics, applications, and advantages of BKC-50%, providing an in-depth analysis of why it is considered an indispensable tool in many industrial processes.

Key Features of BKC 50%
Benzalkonium Chloride – BKC 50% is a powerful biocide that offers a range of benefits, making it highly desirable for use in various industrial applications. Some of its key features include:
1. Strong Detergent Properties
One of the hallmark features of BKC 50% is its strong detergent properties. It demonstrates excellent cleaning action even at low concentrations, making it highly effective for use in products like laundry detergents, textile treatments, and disinfectants. The detergent action of BKC 50% is largely due to its amphiphilic nature, allowing it to interact with both hydrophilic and hydrophobic surfaces. This makes it a versatile ingredient in formulations aimed at removing dirt, grime, and microbial contaminants.
2. Rapid Antimicrobial Action
BKC 50% exhibits rapid antimicrobial activity, even at low concentrations. Its ability to kill bacteria, fungi, and viruses quickly is one of the reasons it is commonly used as a disinfectant and preservative. The compound’s mechanism of action involves disrupting the cell membranes of microorganisms, ultimately leading to their death. This makes Benzalkonium Chloride BKC 50 a go-to solution for preventing microbial growth in various settings, from healthcare facilities to industrial plants.
3. Non-Toxic, Non-Tainting, and Odor-Free
At recommended use levels, BKC 50% is non-toxic and odor-free, ensuring that it does not impart any unwanted smells or harmful effects when used in various applications. It is also non-tainting, which means that it does not affect the taste, appearance, or smell of the final product, making it an excellent choice for products like food packaging, water treatment, and personal care items.
4. Compliance with British Pharmacopoeia Monograph Specifications
BKC 50 is compliant with the British Pharmacopoeia (BP) monograph specifications. This ensures that it meets rigorous quality and safety standards, making it suitable for use in medical and pharmaceutical products. The BP is a key reference for the standards of medicinal substances in the UK, and BKC 50% meeting these specifications underscores its reliability and safety in various applications.
5. High Biodegradability
Another important feature of BKC-50% is its high biodegradability, as demonstrated by OECD 301C testing protocols. The compound breaks down readily in the environment, reducing the risk of long-term ecological damage. This high biodegradability rating makes BKC 50% a more environmentally responsible choice compared to other biocides that may persist in the environment for extended periods.
6. Compatibility with Other Surfactants
Benzalkonium Chloride BKC 50 is compatible with a wide range of surfactants, including non-ionic, amphoteric, and cationic surfactants. This makes it highly versatile and easy to incorporate into different formulations for various cleaning, disinfecting, and antimicrobial applications.
Characteristics of BKC-50%
BKC 50% is a liquid solution that boasts a range of physical and chemical characteristics, making it a suitable ingredient for many industrial uses. The following are the key characteristics of Benzalkonium Chloride – BKC 50%:
1. Physical State and Appearance
BKC 50% is an aqueous solution of Benzalkonium Chloride and appears as a water-white to pale yellow liquid. It has a bitter taste and a faint almond odor, which is typical of quaternary ammonium compounds. The liquid form makes it easy to integrate into various formulations, whether in liquid detergents, disinfectants, or paints.
2. pH Range
The pH of BKC 50% ranges from 6.0 to 8.0, indicating that it is mildly acidic to neutral. This pH range is important for maintaining the stability of the compound in different applications. It ensures that BKC 50% is compatible with most other ingredients and does not alter the pH of the end product dramatically.
3. Density
The density of BKC 50% ranges from 0.97 to 0.99 g/mL, which indicates that it is a relatively light liquid. The density plays a role in determining how the product behaves when mixed with other chemicals and substances, such as water or surfactants.
4. Solubility
Benzalkonium Chloride – BKC 50% is highly soluble in water in all proportions, making it ideal for use in aqueous-based formulations. Its water solubility allows it to be used in a variety of cleaning and disinfecting products where water serves as the primary solvent.
5. Active Ingredient Content
The active ingredient content of BKC-50% is 50.0 ± 1.0% by weight. This concentration of Benzalkonium Chloride is typically sufficient to provide strong antimicrobial action while remaining cost-effective. The high concentration also ensures that a smaller amount of the product is required for most applications.

Applications of BKC 50%
Benzalkonium Chloride Solution (BKC 50%) is a versatile compound with a wide range of applications in different industries. Some of the most prominent uses include:
1. Laundry Detergents and Treatments
BKC-50% is commonly used in laundry detergents and treatments due to its strong detergent properties and antimicrobial action. It helps in removing dirt, stains, and microbial contaminants from fabrics, ensuring cleaner and safer laundry. Additionally, it can be used to prevent the growth of bacteria and fungi on textiles, extending the lifespan of garments.
2. Textile Softeners
As a component in textile softeners, BKC 50% imparts its antimicrobial properties to fabrics, preventing bacterial and fungal growth that could cause unpleasant odors or degradation of fabric quality. This helps maintain the softness and hygiene of textiles for longer periods.
3. Preserving Paints, Adhesives, and Latex Emulsions
Benzalkonium Chloride – BKC 50% is effective in inhibiting the growth of bacteria, yeasts, and molds in aqueous paints, adhesives, latex emulsions, and joint cements. Its inclusion in these formulations ensures the longevity and stability of the products, even during storage.
4. Wood Preservation
In the wood preservation industry, BKC 50% is used to prevent sap stain discoloration on freshly cut wood and to inhibit fungal growth that can compromise the quality of wood products. This helps in maintaining the aesthetic and structural integrity of wood.
5. Cutting Oil Preservation
BKC-50% is also used in the preservation of cutting oils used in machining and metalworking processes. It prevents microbial growth, which could otherwise lead to the degradation of the oil and negatively affect the performance of machinery.
6. Cooling Water Systems and Pulp and Paper Mills
In industries such as pulp and paper mills, as well as cooling water systems, Benzalkonium Chloride BKC 50 is used to control slime-producing bacteria and fungi. Its application ensures the smooth operation of these systems by preventing blockages and contamination caused by microbial growth.
7. Leather and Textile Treatment
BKC 50% can be used as a spray or dip treatment for textiles and leather to prevent mold growth. This is especially important for materials that are prone to fungal contamination during storage or in humid environments.
8. Anti-Fouling Paints
BKC 50% is used in anti-fouling paints to prevent the attachment of fouling organisms, such as algae and barnacles, on submerged surfaces. This application is critical in marine industries where fouling can cause significant damage to ships and underwater structures.
9. Air Washer and Scrubber Systems
BKC 50% is effective in preventing microorganism build-up and deposits in air washer or scrubber systems, which are used in industrial air purification processes. Its application helps in maintaining the efficiency of these systems by preventing microbial contamination.
10. Oil Field Drilling Fluids
In the oil and gas industry, BKC-50% is used to control microorganism contamination and deposits in drilling fluids and muds. This ensures that the fluids maintain their effectiveness and do not contribute to wellbore blockages or other operational issues.
11. Paper Coating and Specialty Board Manufacturing
BKC 50% is also used to control bacterial and fungal growth during the manufacture of paper coatings and specialty boards, such as cardboard and particle board. Its antimicrobial properties help preserve the quality of these products during production and storage.

Why Choose Maxwell Additives as a BKC 50 Manufacturer?
Maxwell Additives is a trusted manufacturer of BKC 50% due to its commitment to quality, sustainability, and customer satisfaction. There are several reasons why companies choose Maxwell Additives as Benzalkonium Chloride – BKC 50 Manufacturer:
1. Expertise and Experience
With years of experience in the chemical manufacturing industry, Maxwell Additives has developed a deep understanding of the needs of various industries. Their expertise in producing BKC 50% ensures that customers receive a high-quality, reliable product.
2. Customization and Flexibility
Maxwell Additives offers customizable solutions to meet the unique requirements of different industries. Whether it’s adjusting the concentration of Benzalkonium Chloride or tailoring the formulation for specific applications, Maxwell Additives works closely with customers to provide the best solution.
3. Global Reach
As a global manufacturer, Maxwell Additives has a strong presence in markets worldwide. They can efficiently deliver Benzalkonium Chloride BKC 50 to customers in different regions, ensuring timely and reliable supply.
4. Environmental Responsibility
Maxwell Additives is committed to producing environmentally friendly products, and BKC 50% is no exception. The company ensures that its products are biodegradable and manufactured in a way that minimizes environmental impact.
Conclusion
BKC 50% is a highly effective, versatile, and environmentally friendly antimicrobial agent with a wide range of applications in various industries. From laundry detergents to industrial cooling systems and oil field drilling, its strong antimicrobial activity, detergent properties, and compatibility with other substances make it an essential ingredient in numerous formulations. By meeting high-quality standards, such as those specified by the British Pharmacopoeia, and boasting a high biodegradability rating, BKC 50% offers a reliable solution for controlling microbial contamination across multiple sectors. As industries continue to seek effective and sustainable ways to address microbial threats, BKC 50% will remain a valuable compound in the fight against harmful microorganisms.
Maxwell Additives is High Quality BKC 50 Manufacturer, a versatile, and effective antimicrobial agent used across numerous industries. Through its rigorous manufacturing processes, commitment to quality control, and focus on customer satisfaction, Maxwell Additives has become a trusted supplier for businesses seeking reliable solutions for microbial contamination control. BKC 50 manufactured by Maxwell Additives offers a range of benefits, including broad-spectrum antimicrobial efficacy, compatibility with other ingredients, and a high biodegradability rating, making it an ideal choice for industries looking for environmentally responsible and cost-effective biocides. Whether used in healthcare, textiles, paints, or water treatment, Benzalkonium Chloride – BKC 50% from Maxwell Additives continues to be a valuable tool in the fight against harmful microorganisms.
Contact Maxwell Additives for all your specialty chemical needs. We provide high-class quality and ensure quilted chemicals, offering top-performing Phosphonates, Polymers, and Biocide Chemicals. Reach out to us for superior chemical solutions tailored to your needs.