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2-Octyl-2H-Isothiazol-3-One CAS NO 26530-20-1
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CAS No.:26530-20-1
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2-Octyl-2H-Isothiazol-3-One is a highly effective, broad-spectrum biocide belonging to the isothiazolinone class. Its primary value lies in providing robust, long-lasting protection against microbial growth in a wide range of industrial water systems and formulated products. This compound is essential for manufacturers and facility operators seeking to prevent spoilage, maintain system efficiency, and ensure product integrity. Key industries that rely on this biocide include paints & coatings, metalworking fluids, adhesives, and industrial water treatment.
Application
- Paints, Coatings, and Inks: Acts as a powerful in-can preservative to prevent bacterial and fungal spoilage during storage, ensuring product shelf-life and performance.
- Metalworking Fluids and Coolants: Provides critical microbial control in recirculating systems, preventing biofilm formation, foul odors, and fluid degradation.
- Adhesives, Sealants, and Polymer Emulsions: Protects water-based formulations from contamination during manufacturing and storage.
- Industrial Water Treatment: Used in cooling water towers, paper mill process water, and other systems to control algae, bacteria, and fungi.
- Household and Institutional Cleaners: Incorporated as a preservative in liquid detergents and cleaning products to maintain stability.
- Oilfield Applications: Helps control microbial-induced corrosion (MIC) and spoilage in drilling muds and production systems.
Basic Information
| Product Name | 2-Octyl-2H-Isothiazol-3-One |
| CAS No. | 26530-20-1 |
| Molecular Formula | C11H19NOS |
| Molecular Weight | 213.34 g/mol |
| Synonyms | 2-Octyl-3(2H)-isothiazolone; Octylisothiazolinone (OIT); Kathon 893; Micro-Chek 11; Skane M-8; 2-n-Octyl-4-isothiazolin-3-one; 4-Isothiazolin-3-one, 2-octyl-; OIT Biocide; EINECS 247-761-7 |
Quality Control
Our 2-Octyl-2H-Isothiazol-3-One is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, potency, and performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our production adheres to relevant global regulatory and industry standards to guarantee product reliability for your critical applications.
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, strong acids, and strong bases. For long-term storage, ensure containers are kept tightly sealed to prevent moisture absorption and maintain efficacy.
Specification
| Item | Specification |
|---|---|
| Appearance | Clear to pale yellow liquid |
| Identification (IR) | Conforms to standard |
| Assay (HPLC) | ≥ 95.0% |
| Water Content (KF) | ≤ 0.5% |
| Specific Gravity (20°C) | 1.030 - 1.050 |
| Refractive Index (20°C) | 1.520 - 1.540 |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





