Description

3-Isocyanato-2,3-Dihydro-Thiophene 1,1-Dioxide is a specialized heterocyclic isocyanate building block, valued for its unique sulfone-activated ring system that enables the synthesis of novel polymers and fine chemicals with tailored properties. This compound is critical for research and development in advanced material science, where it serves as a key precursor for creating high-performance coatings, adhesives, and functional polymers. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing next-generation products.

Application

• Pharmaceutical Intermediates: A key synthon for constructing novel heterocyclic scaffolds in drug discovery programs, particularly for targets requiring sulfone or thiophene motifs.
• Agrochemical Synthesis: Used in the development of new active ingredients for crop protection agents, leveraging its reactive isocyanate group for creating urea or carbamate derivatives.
• Specialty Polymer & Resin Production: Serves as a monomer or cross-linking agent for producing polyurethanes, polyureas, and other polymers with enhanced chemical resistance, adhesion, or thermal stability.
• Advanced Material Research: Employed in R&D for creating high-performance coatings, adhesives, and elastomers where the sulfone group imparts specific polarity and stability.
• Chemical Intermediate for Fine Chemicals: Acts as a versatile building block for synthesizing complex molecules in organic chemistry and material science research.

Basic Information

Product Name	3-Isocyanato-2,3-Dihydro-Thiophene 1,1-Dioxide
CAS No.	61308-98-3
Molecular Formula	C5H5NO3S
Molecular Weight	159.16 g/mol
Synonyms	3-Isocyanato-2,3-dihydrothiophene 1,1-dioxide; 2,3-Dihydrothiophene-3-isocyanate 1,1-dioxide; 3-Isocyanato-2,5-dihydrothiophene 1,1-dioxide; Thiophene-3-isocyanate, 2,3-dihydro-, 1,1-dioxide; 2,3-Dihydrothiophene-1,1-dioxide-3-isocyanate; 3-Isocyanato-2,3-dihydrothiophene-1,1-dioxide; Sulfolene-3-isocyanate
EINECS	Contact for details

Quality Control

Our production of 3-Isocyanato-2,3-Dihydro-Thiophene 1,1-Dioxide adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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