Description

3,3'-Sulfonylbis(Propionic Acid Methyl) Ester is a high-purity chemical intermediate featuring a sulfonyl bridge connecting two methyl propionate groups. This compound matters for its role as a versatile building block in advanced polymer synthesis and specialty chemical manufacturing. Industries that require high-performance materials, such as pharmaceuticals, agrochemicals, and polymer chemistry, rely on this ester for creating specialized monomers, cross-linking agents, and functional additives.

Application

• Polymer Chemistry: Serves as a key monomer or cross-linking agent in the synthesis of specialty polyesters, polyamides, and sulfone-containing polymers for high-temperature and engineering plastics.
• Pharmaceutical Intermediates: Used in the multi-step synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a sulfonyl-based linker or spacer moiety.
• Agrochemical Synthesis: Acts as a precursor in the manufacture of herbicides, fungicides, and plant growth regulators that incorporate sulfonyl functional groups.
• Liquid Crystal & Electronic Materials: Employed in the production of monomers for liquid crystal polymers (LCPs) and other advanced materials used in electronics and displays.
• Cross-linking Agent for Coatings & Adhesives: Provides enhanced thermal stability and chemical resistance when used as a cross-linker in high-performance coating and adhesive formulations.
• Organic Synthesis Building Block: A valuable reagent for introducing the 3,3'-sulfonyldipropionate unit into more complex molecular architectures in research and development.

Basic Information

Product Name	3,3'-Sulfonylbis(Propionic Acid Methyl) Ester
CAS No.	5450-67-9
Molecular Formula	C8H14O6S
Molecular Weight	238.26 g/mol
Synonyms	Dimethyl 3,3'-sulfonyldipropionate; Methyl 3,3'-sulfonyldipropionate; Bis(3-methoxy-3-oxopropyl) sulfone; 3,3'-Sulfonyldipropionic acid dimethyl ester; Sulfonyldipropionic acid dimethyl ester; Dimethyl sulfonyldipropionate; Methyl ester of 3,3'-sulfonyldipropionic acid
EINECS	226-692-5

Quality Control

Our 3,3'-Sulfonylbis(Propionic Acid Methyl) Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider an inert atmosphere to maintain optimal quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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