Description

Isocyanate Polymer-Bound CAS NO 59990-69-1 is a specialized, reactive chemical intermediate where isocyanate functional groups are covalently attached to a polymer backbone. This product matters because it offers a stable, solid-phase alternative to volatile liquid isocyanates, enabling safer handling and controlled reactivity in advanced material synthesis. It is primarily needed by R&D chemists and process engineers in industries such as pharmaceuticals, agrochemicals, and polymer science for applications including solid-phase synthesis, combinatorial chemistry, and the development of functional resins and coatings.

Application

• Solid-Phase Organic Synthesis (SPOS): Used as a key reagent for immobilizing starting materials or scavenging excess reagents, facilitating purification.
• Polymer-Supported Reagent: Serves as a stable, recoverable catalyst or reagent carrier in multi-step chemical processes.
• Combinatorial Chemistry: Enables the rapid, parallel synthesis of compound libraries for drug discovery and material screening.
• Functional Polymer Production: Acts as a cross-linking agent or a precursor for introducing urethane or urea linkages into specialty resins, adhesives, and coatings.
• Analytical Chemistry: Employed in affinity chromatography and sample preparation for the selective capture of amines, alcohols, or other nucleophiles.
• Agrochemical Intermediate: Utilized in the research and development of novel, polymer-bound active ingredients or controlled-release formulations.

Basic Information

Item	Detail
Product Name	Isocyanate Polymer-Bound
CAS No.	59990-69-1
Molecular Formula	Polymer-bound (CnHmNxOy)
Molecular Weight	Polymer-dependent. Contact for details.
Synonyms	Polymer-Supported Isocyanate; Isocyanate-Functionalized Polymer; Polymeric Isocyanate; Isocyanate Resin; PS-Isocyanate; Isocyanate on Polymer; Solid-Phase Isocyanate Reagent; NSC 339063
EINECS	Contact for details

Quality Control

Our Isocyanate Polymer-Bound products undergo rigorous quality testing to ensure batch-to-batch consistency and performance in demanding applications. Quality is assured through analysis of key parameters such as isocyanate loading capacity, particle size distribution, and solvent compatibility. A Certificate of Analysis (COA) detailing specific results is available for every batch upon request, supporting compliance with internal quality standards and research protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation and maintain reactivity.

Specification

Item	Specification
Appearance	Off-white to beige free-flowing beads or powder
Isocyanate Loading	0.5 - 3.0 mmol/g (Typical range. Grade-specific)
Particle Size	100 - 500 mesh (Grade-specific)
Moisture Content (KF)	< 1.0 %
Solvent Compatibility	Stable in common organic solvents (e.g., DCM, DMF, THF)
Functional Group Stability	Stable under inert atmosphere at recommended storage conditions

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.