Description

Isocyanatocyclobutane is a highly reactive, small-ring aliphatic isocyanate monomer. This compound matters for its unique structural rigidity, which imparts distinct physical properties to the resulting polymers compared to linear chain isocyanates. It is primarily needed by R&D chemists and material scientists in the polymer and pharmaceutical industries for synthesizing novel polyurethanes, coatings, and as a versatile chemical building block.

Application

• Polymer Synthesis: Key monomer for producing specialty polyurethanes and polyureas with enhanced thermal stability and mechanical strength.
• Advanced Material Research: Building block for developing novel polymers, elastomers, and high-performance coatings with unique properties derived from the strained cyclobutane ring.
• Pharmaceutical Intermediates: Used in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) requiring the isocyanate functional group.
• Cross-linking Agent: Functions as an efficient cross-linker for polymers and resins to improve hardness, chemical resistance, and durability.
• Adhesive & Sealant Formulations: Imparts fast curing and strong adhesion in specialized industrial adhesive and sealant systems.
• Chemical Synthesis: A versatile reagent for introducing the isocyanate group into larger molecular frameworks in organic chemistry.

Basic Information

Product Name	Isocyanatocyclobutane
CAS No.	5811-25-6
Molecular Formula	C5H7NO
Molecular Weight	97.12 g/mol
Synonyms	Cyclobutyl isocyanate; 1-Isocyanatocyclobutane; Cyclobutane, isocyanato-; NSC 163045; Cyclobutylcarbonimide; Cyclobutane isocyanate
EINECS	Contact for details

Quality Control

Our Isocyanatocyclobutane is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 2°C and 8°C (refrigerated) to minimize volatility and degradation. Due to its hygroscopic and highly volatile nature, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening and allowed to equilibrate to room temperature before use to prevent moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%

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