Description

2-Isocyanato-4,4,5,5-Tetramethyl-[1,3,2]-Dioxaphospholane is a specialized organophosphorus isocyanate monomer, a key building block for advanced material synthesis. Its unique cyclic phospholane structure bearing a reactive isocyanate group enables the creation of novel polymers with tailored properties. This compound is essential for researchers and manufacturers in the fields of advanced polymer chemistry, flame-retardant materials, and specialty coatings, where precise molecular design is critical.

Application

• Synthesis of Flame-Retardant Polymers: Acts as a reactive monomer for incorporating phosphorus into polyurethanes, polyureas, and epoxy resins, significantly enhancing their fire resistance.
• Advanced Material Research: Serves as a key precursor for developing novel phosphorus-containing dendrimers, star polymers, and other complex macromolecular architectures.
• Specialty Coating Formulations: Used to create high-performance, cross-linked coatings with improved adhesion, chemical resistance, and thermal stability.
• Pharmaceutical & Agrochemistry Intermediates: Employed in the synthesis of bioactive molecules and ligands where the phospholane moiety imparts specific steric or electronic effects.
• Ligand Synthesis for Catalysis: Useful for preparing novel phosphorus-nitrogen (P-N) chelating ligands for transition metal catalysis.
• Modification of Biomaterials: Can be used to functionalize surfaces or polymers for biomedical applications, introducing reactive sites for further conjugation.

Basic Information

Product Name	2-Isocyanato-4,4,5,5-Tetramethyl-[1,3,2]-Dioxaphospholane
CAS No.	72666-66-1
Molecular Formula	C7H12NO3P
Molecular Weight	189.15 g/mol
Synonyms	2-Isocyanato-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane; 4,4,5,5-Tetramethyl-2-isocyanato-1,3,2-dioxaphospholane; 2-Isocyanato-4,4,5,5-tetramethyl-2-oxo-1,3,2-dioxaphospholane; Tetramethyl Isocyanato Dioxaphospholane; Phospholane Isocyanate Monomer
EINECS	Contact for details

Quality Control

Our production of 2-Isocyanato-4,4,5,5-Tetramethyl-[1,3,2]-Dioxaphospholane adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. Each lot is characterized using advanced analytical techniques including NMR, IR, and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its moisture-sensitive (hygroscopic) nature, containers should be kept under a dry inert atmosphere (e.g., nitrogen or argon) after opening. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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