Description

3,3'-Sulphonyldipropionic Acid is a versatile bifunctional organic compound containing both sulfonyl and carboxylic acid groups. This unique structure makes it a valuable intermediate for the synthesis of polymers, pharmaceuticals, and specialty chemicals. It is particularly sought after by manufacturers in the polymer, pharmaceutical, and fine chemical industries for creating cross-linked networks, functional materials, and active pharmaceutical ingredients (APIs).

Application

• Polymer Cross-linking Agent: Used in the production of water-soluble resins, ion-exchange resins, and coatings to enhance durability and chemical resistance.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of various drug molecules and active pharmaceutical ingredients (APIs).
• Specialty Chemical Synthesis: Acts as a precursor for synthesizing surfactants, plasticizers, and other functional additives.
• Adhesive & Sealant Formulations: Imparts improved adhesion and cohesive strength in advanced industrial adhesive systems.
• Textile Chemical Intermediate: Employed in the manufacture of finishing agents and dye-fixing agents for textiles.
• Research & Development: Utilized in academic and industrial R&D for exploring new organic reactions and material properties.

Basic Information

Product Name	3,3'-Sulphonyldipropionic Acid
CAS No.	6291-88-9
Molecular Formula	C6H10O6S
Molecular Weight	210.21 g/mol
Synonyms	3,3'-Sulfonyldipropionic Acid; 3,3'-Sulfonylbispropanoic Acid; 3,3'-Thiodipropionic Acid S,S-Dioxide; Dipropionic Acid Sulfone; Bis(2-carboxyethyl) Sulfone; Sulfonyldipropionic Acid; β,β'-Sulfonyldipropionic Acid; 4-Oxa-1,7-heptanedioic acid, 1,1-dioxide
EINECS	228-540-9

Quality Control

Our 3,3'-Sulphonyldipropionic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. A Certificate of Analysis (COA) detailing specific test results is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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 bases, strong oxidizing agents, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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