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Overview
Octadecyl isocyanate is a long-chain fatty isocyanate primarily synthesized via the reaction of 1-octadecanol with phosgene or triphosgene. It serves as a specialized crosslinking agent and surface modifier in polymer chemistry. Its molecular formula is C19H37NO with CAS No. 2605-40-5.
Application
- Polyurethane Coatings: Utilized to enhance hydrophobicity and abrasion resistance in industrial finishes.
- Adhesives: Acts as a reactive component in moisture-curing systems for high-performance bonding.
- Textile Treatment: Applied for creating durable water-repellent (DWR) finishes on fabrics.
Precautions
- Strictly avoid human exposure; causes severe respiratory sensitization and skin irritation.
- Store in cool, dry conditions under inert atmosphere to prevent premature polymerization.
- Do not use in direct pharmaceutical formulations due to toxicity risks associated with free isocyanates.