Description

2-Ethenylsulfonylethanol is a versatile bifunctional organosulfur compound featuring both a reactive vinyl sulfone group and a terminal hydroxyl group. This unique structure makes it a valuable intermediate for chemical synthesis, particularly in the creation of cross-linking agents, polymer modifiers, and functional materials. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, polymer, and specialty chemical industries for applications requiring controlled reactivity and molecular tethering.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging the Michael acceptor properties of the vinyl sulfone moiety.
• Polymer Cross-linking Agent: Serves as a reactive monomer or cross-linker in the production of specialty polymers, hydrogels, and coatings to enhance mechanical and thermal properties.
• Bioconjugation Reagent: Facilitates the site-specific modification of proteins, peptides, and other biomolecules for research, diagnostics, and therapeutic applications.
• Surface Functionalization: Employed to introduce sulfone and hydroxyl functionalities onto material surfaces, improving adhesion, wettability, or providing anchor points for further chemistry.
• Organic Synthesis Building Block: Acts as a key precursor in Michael addition reactions, nucleophilic substitutions, and other transformations to construct complex molecular architectures.
• Adhesive & Sealant Formulation: Incorporated as a modifier to improve the cure profile, flexibility, and chemical resistance of advanced adhesive systems.

Basic Information

Product Name	2-Ethenylsulfonylethanol
CAS No.	4271-48-1
Molecular Formula	C4H8O3S
Molecular Weight	136.17 g/mol
Synonyms	2-(Vinylsulfonyl)ethanol; 2-Hydroxyethyl vinyl sulfone; Vinyl sulfone ethanol; Ethanol, 2-(ethenylsulfonyl)-; 2-Vinylsulfonylethanol; H2C=CHSO2CH2CH2OH; β-Hydroxyethyl vinyl sulfone; 2-(Ethenylsulfonyl)ethan-1-ol
EINECS	224-267-7

Quality Control

Our 2-Ethenylsulfonylethanol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance 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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque or amber packaging.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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