Description

3,3'-Sulfonylbis(Propanoic Acid Ethyl) Ester is a versatile sulfone-based diester compound with significant utility as a key intermediate in advanced organic synthesis. Its value lies in its bifunctional structure, which provides two reactive ester groups linked by a sulfonyl bridge, enabling its use in the creation of polymers, pharmaceuticals, and specialty chemicals. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and polymer industries seeking to develop new materials or active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of sulfonamide-based drug candidates and other active pharmaceutical ingredients (APIs).
• Polymer & Resin Modifier: Used as a monomer or cross-linking agent to introduce sulfone groups into polymer backbones, enhancing thermal stability and chemical resistance.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of herbicides, fungicides, and other crop protection agents.
• Liquid Crystal & Electronic Materials: A potential intermediate for creating sulfone-containing compounds used in advanced display technologies and electronic chemicals.
• Organic Synthesis Reagent: Employed in various condensation and coupling reactions to construct complex molecular architectures in research and development.
• Specialty Surfactant & Additive Precursor: The basis for synthesizing specialized surfactants or performance additives for industrial formulations.

Basic Information

Product Name	3,3'-Sulfonylbis(Propanoic Acid Ethyl) Ester
CAS No.	7355-12-6
Molecular Formula	C10H18O6S
Molecular Weight	266.31 g/mol
Synonyms	Diethyl 3,3'-sulfonyldipropionate; Ethyl 3,3'-sulfonyldipropionate; 3,3'-Sulfonyldipropionic Acid Diethyl Ester; Diethyl 3,3'-sulfonylbis(propanoate); Bis(3-ethoxy-3-oxopropyl) sulfone; 1,1'-Sulfonylbis(propane-3,1-diyl) diethanoate (IUPAC-like); Ethyl 3-((3-ethoxy-3-oxopropyl)sulfonyl)propanoate; NSC 163083
EINECS	Contact for details

Quality Control

Our 3,3'-Sulfonylbis(Propanoic Acid Ethyl) Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting critical parameters such as assay and impurity profiles to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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