Description

4,4'-Thiodibenzenethiol is a high-purity organic sulfur compound with the CAS number 19362-77-7. This versatile dithiol is a critical building block in advanced material synthesis, valued for its ability to act as a cross-linking agent and a precursor for functional polymers. It is essential for R&D and production in the polymer, electronics, and specialty chemical industries, where precise molecular architecture is required.

Application

• Polymer Cross-linking Agent: Used in the synthesis of high-performance polymers, elastomers, and resins to enhance thermal stability and mechanical properties.
• Liquid Crystal & OLED Material Precursor: Serves as a key intermediate in the production of advanced organic electronic materials for displays and lighting.
• Ligand for Metal Complexes: Utilized in catalysis and material science to create novel coordination compounds with specific electronic characteristics.
• Surface Modification & Self-Assembled Monolayers (SAMs): Applied to modify surface properties of metals and semiconductors for sensor and nanotechnology applications.
• Pharmaceutical Intermediate: Acts as a building block in the synthesis of complex molecules for medicinal chemistry research.
• Additive for Lubricants and Fuels: Functions as an antioxidant and extreme pressure additive due to its sulfur content.

Basic Information

Product Name	4,4'-Thiodibenzenethiol
CAS No.	19362-77-7
Molecular Formula	C12H10S3
Molecular Weight	250.40 g/mol
Synonyms	4,4'-Thiobisbenzenethiol; 4,4'-Sulfanediyldibenzene-1-thiol; 4,4'-Dimercaptodiphenyl Sulfide; Bis(4-mercaptophenyl) Sulfide; p,p'-Thiodibenzenethiol; 1,1'-Thiobis(4-mercaptobenzene); [1,1'-Biphenyl]-4,4'-dithiol, thioether; DTPS
EINECS	Contact for details

Quality Control

Our production of 4,4'-Thiodibenzenethiol adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at 15-25°C. Due to its sensitivity to oxidation, minimize headspace and exposure to air after opening. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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