Description

Bis(4-Hydroxyphenyl)Disulfide is a high-purity organic sulfur compound featuring two phenol groups linked by a disulfide bridge. This unique structure makes it a valuable intermediate and building block in advanced chemical synthesis, particularly for creating polymers and specialty materials with tailored properties. It is essential for R&D and production in industries such as polymer chemistry, pharmaceuticals, and material science, where precise molecular architecture is required.

Application

• Polymer Chemistry: Serves as a key monomer or chain extender in the synthesis of high-performance polyesters, polycarbonates, and epoxy resins.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and drug delivery systems.
• Material Science: Acts as a precursor for creating novel organic electronic materials, liquid crystals, and advanced coatings.
• Cross-linking Agent: Functions as a cross-linker in rubber and elastomer formulations to enhance thermal and mechanical stability.
• Antioxidant Synthesis: An important intermediate in the production of phenolic antioxidants for plastics and lubricants.
• Research & Development: A versatile building block in organic synthesis for academic and industrial research laboratories.

Basic Information

Product Name	Bis(4-Hydroxyphenyl)Disulfide
CAS No.	15015-57-3
Molecular Formula	C12H10O2S2
Molecular Weight	250.33 g/mol
Synonyms	4,4'-Dihydroxydiphenyl Disulfide; Bis(4-hydroxyphenyl) Disulfide; 4-Hydroxyphenyl Disulfide; p,p'-Dihydroxydiphenyl Disulfide; 1,2-Bis(4-hydroxyphenyl)disulfane; (4-Hydroxyphenyl) Disulfide; Phenol, 4,4'-dithiobis-
EINECS	239-104-6

Quality Control

Our Bis(4-Hydroxyphenyl)Disulfide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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 heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	145 - 150 °C
Loss on Drying	≤ 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.