N-Octylisothiazolinone: A Versatile Biocide for Industrial and Household Applications
N-Octylisothiazolinone: A Versatile Biocide for Industrial and Household Applications
N-Octylisothiazolinone, also known as OIT, is a powerful biocide that has been widely used in various industrial and household applications. This chemical compound belongs to the family of isothiazolinones, which are known for their broad-spectrum antimicrobial activity against bacteria, fungi, and yeasts. In this article, we will explore the properties, uses, and benefits of N-Octylisothiazolinone, with a focus on its role as a biocide for different applications.
Properties and Synthesis
N-Octylisothiazolinone is a pale yellow to amber liquid with a characteristic odor. It is soluble in water and many organic solvents, such as ethanol, glycols, and glycerin. The chemical formula of N-Octylisothiazolinone is C11H19NOS, and its molecular weight is 213.34 g/mol. The synthesis of N-Octylisothiazolinone involves the reaction between 2-octanone and 4-isothiazolin-3-one in the presence of an acid catalyst. The reaction yields a mixture of OIT and its isomer, 6-chloro-2-octyl-3H-isothiazol-3-one, which can be separated by distillation or chromatography.
Uses and Applications
N-Octylisothiazolinone is a versatile biocide that has been used in many industrial and household applications, such as:
1. Paints and Coatings: N-Octylisothiazolinone is an effective preservative for water-based paints and coatings, which are susceptible to microbial growth and spoilage. OIT can be added to the paint formulation at a concentration of 0.05-0.1% to prevent the growth of bacteria and fungi during storage and use.
2. Adhesives and Sealants: N-Octylisothiazolinone is a popular biocide for adhesives and sealants, which are used in construction, automotive, and packaging industries. OIT can be added to the adhesive or sealant at a concentration of 0.1-0.5% to prevent microbial contamination and improve shelf life.
3. Personal Care Products: N-Octylisothiazolinone is a common preservative for personal care products, such as shampoos, conditioners, lotions, and creams. OIT can be added to the product at a concentration of 0.01-0.1% to inhibit the growth of bacteria and fungi that can cause spoilage and infections.
4. Household Cleaners: N-Octylisothiazolinone is a potent biocide for household cleaners, such as disinfectants, sanitizers, and detergents. OIT can be added to the product at a concentration of 0.1-0.5% to kill bacteria, fungi, and viruses that can cause illnesses and odors.
Benefits and Safety
N-Octylisothiazolinone offers several benefits as a biocide for different applications, such as:
1. Broad-spectrum antimicrobial activity: N-Octylisothiazolinone has a wide range of activity against bacteria, fungi, and yeasts, which makes it effective against many types of microorganisms that can cause spoilage, infections, and odors.
2. Low toxicity and environmental impact: N-Octylisothiazolinone has a low toxicity and environmental impact compared to other biocides, such as formaldehyde, glutaraldehyde, and quaternary ammonium compounds. OIT is biodegradable and does not accumulate in the environment.
3. Stable and compatible: N-Octylisothiazolinone is stable under a wide range of pH, temperature, and storage conditions. OIT is also compatible with many other ingredients and materials used in various applications, such as surfactants, polymers, and metals.
However, like any chemical compound, N-Octylisothiazolinone should be handled and used with care to ensure safety and efficacy. OIT can cause skin and eye irritation, and inhalation of its vapors or mists can cause respiratory problems. Therefore, proper protective equipment and ventilation should be used when handling or applying N-Octylisothiazolinone.
Conclusion
N-Octylisothiazolinone is a versatile biocide that has been used in many industrial and household applications. Its broad-spectrum antimicrobial activity, low toxicity, and compatibility make it a preferred choice for many formulations and products. INNO SPECIALTY CHEMICALS is a leading manufacturer and supplier of N-Octylisothiazolinone and other specialty chemicals from China, with a commitment to quality, innovation, and sustainability. As the demand for safe and effective biocides continues to grow, N-Octylisothiazolinone is expected to play a significant role in various applications.
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