Octylisothiazolinone (OIT) CAS 26530-20-1: Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
Octylisothiazolinone (OIT), CAS 26530-20-1, is a premium isothiazolone-based biocide widely used for microbial control in industrial applications. Key parameters:
| Parameter | Specification |
|---|---|
| Chemical Formula | C11H19NOS |
| Molecular Weight | 213.34 g/mol |
| Appearance | Clear pale yellow liquid |
| Active Content | ≥98.5% |
| pH Range | 2.0-5.0 (1% aqueous solution) |
2. Key Applications & Industry Uses
OIT serves as a highly effective preservative in:
- Paints & Coatings: Prevents fungal growth in water-based systems
- Adhesives: Extends shelf life by inhibiting bacterial contamination
- Personal Care: Preservative in rinse-off products (0.1% max concentration)
- Wood Preservation: Protects against mold and decay fungi
- Industrial Fluids: Controls microbial growth in metalworking fluids
3. Performance Comparison with Alternatives
| Biocide | Efficacy Duration | pH Stability | Ecotoxicity |
|---|---|---|---|
| OIT | 12-24 months | 2.0-9.0 | Low aquatic toxicity |
| CMIT/MIT | 6-12 months | 2.0-8.5 | Moderate |
| BIT | 9-18 months | 4.0-10.0 | High |
4. Practical Usage Scenarios
Paint Manufacturing
Recommended dosage: 0.05-0.2% by total weight. Add during cool-down phase (<40°C) post-pigment dispersion.
Wood Treatment
Use 0.5-1.0% solution in glycol carriers for dip treatment applications.
5. Verified Customer Case Studies
Case 1: European Coating Manufacturer
Challenge: Fungal growth in acrylic emulsions during storage
Solution: 0.15% OIT addition
Result: 18-month microbial stability achieved
Case 2: Asian Personal Care Brand
Challenge: Preservative efficacy in sulfate-free shampoos
Solution: 0.08% OIT + 0.02% phenoxyethanol
Result: Passed USP 51 preservation challenge
6. Technical Consultation & Ordering
For formulation assistance or bulk pricing:
Email: info@vivalr.com
Phone: (86) 15866781826
Request SDS, COA, or technical dossier:
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