Description

Trichloro Bisphenol S is a halogenated derivative of bisphenol S, valued for its enhanced thermal stability and flame-retardant properties compared to its parent compound. This chemical is a critical intermediate in the synthesis of high-performance polymers and specialty additives. It is primarily utilized by manufacturers in the plastics, electronics, and advanced material sectors seeking to improve the fire resistance and durability of their products.

Application

• As a key monomer or additive in the production of flame-retardant polycarbonates and epoxy resins.
• In the formulation of high-temperature resistant polymers for electrical and electronic components.
• As an intermediate for synthesizing specialty dyes and pigments with improved stability.
• In the development of advanced composite materials for aerospace and automotive applications.
• For research and development of novel polymeric materials with specific halogenated functionalities.
• As a potential additive in engineering plastics to enhance mechanical and thermal properties.

Basic Information

Product Name	Trichloro Bisphenol S
CAS No.	80396-78-7
Molecular Formula	C12H7Cl3O4S
Molecular Weight	353.61 g/mol
Synonyms	4,4'-Sulfonylbis(2,6-dichlorophenol); 2,2',6,6'-Tetrachloro-4,4'-sulfonyldiphenol; Bis(3,5-dichloro-4-hydroxyphenyl) sulfone; Trichlorinated Bisphenol S; TCBPS; Phenol, 4,4'-sulfonylbis[2,6-dichloro-
EINECS	Contact for details

Quality Control

Our Trichloro Bisphenol S is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, melting point, and impurity profiles. Specifications can be aligned with customer requirements for specific applications.

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. The product is light-sensitive (store away from light).

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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