Description

5,5'-Sulphinylbisresorcinol is a specialized organic compound belonging to the class of bis-phenol derivatives. This chemical is valued for its unique sulfinyl bridge connecting two resorcinol moieties, which imparts specific reactivity and functional properties. It serves as a critical intermediate or functional additive in advanced material synthesis and specialty chemical manufacturing. Key industries that utilize this compound include pharmaceutical research, polymer chemistry, and the production of high-performance dyes and pigments.

Application

• As a key monomer or chain extender in the synthesis of specialty polyarylethersulfones (PAES) and other high-temperature engineering plastics.
• As a reactive intermediate in pharmaceutical research for constructing complex molecular architectures with sulfoxide functionalities.
• In the development of advanced epoxy resin systems, where it can modify cross-linking density and thermal properties.
• As a precursor or additive in the synthesis of functional dyes and optical materials, leveraging its conjugated phenolic structure.
• For research and development in organic electronics, potentially as a building block for charge-transport materials.
• In analytical chemistry as a reference standard or reagent for method development and calibration.

Basic Information

Product Name	5,5'-Sulphinylbisresorcinol
CAS No.	52578-55-9
Molecular Formula	C12H10O6S
Molecular Weight	282.27 g/mol
Synonyms	5,5'-Sulfinyldiresorcinol; 4,4'-Sulfinylbis(1,3-benzenediol); Bis(2,4-dihydroxyphenyl) sulfoxide; Resorcinol, 5,5'-sulfinylbis-; 1,3-Benzenediol, 5,5'-sulfinylbis-; Sulfinylbis(1,3-benzenediol); 2,2'-Sulfinyldi-4,6-dihydroxybenzene
EINECS	Contact for details

Quality Control

Our 5,5'-Sulphinylbisresorcinol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment ensures the material is suitable for demanding applications in research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). The compound may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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