Description

2-[Bis(3,5-Dibromo-4-Hydroxyphenyl)Hydroxymethyl]Benzenesulphonic Acid is a specialized brominated phenolic compound that serves as a highly effective intermediate and functional additive. Its molecular structure provides unique properties for applications requiring flame retardancy, chemical synthesis, and material modification. This product is essential for manufacturers and R&D facilities in the polymer, specialty chemical, and flame retardant industries seeking advanced performance solutions.

Application

• As a key flame retardant intermediate in the production of high-performance polymers and engineering plastics.
• In the synthesis of advanced brominated flame retardants (BFRs) for textiles, electronics, and construction materials.
• As a reactive modifier or additive in epoxy resin systems and other thermosetting polymers to enhance fire resistance.
• For research and development of novel specialty chemicals with antimicrobial or antioxidant properties.
• As a potential intermediate in the manufacture of dyes, pigments, and photographic chemicals.
• In laboratory-scale studies for developing new pharmaceutical intermediates or bioactive molecules.

Basic Information

Item	Detail
Product Name	2-[Bis(3,5-Dibromo-4-Hydroxyphenyl)Hydroxymethyl]Benzenesulphonic Acid
CAS No.	71617-24-8
Molecular Formula	C20H14Br4O6S
Molecular Weight	718.01 g/mol
Synonyms	Benzenesulfonic acid, 2-[bis(3,5-dibromo-4-hydroxyphenyl)hydroxymethyl]-; 2,2-Bis(3,5-dibromo-4-hydroxyphenyl)-2-hydroxyethanesulfonic acid; Tetrabromobisphenol S derivative; TBPS derivative; Brominated bisphenol sulfonic acid; 71617-24-8; 2-[Bis(3,5-dibromo-4-hydroxyphenyl)hydroxymethyl]benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 2-[Bis(3,5-Dibromo-4-Hydroxyphenyl)Hydroxymethyl]Benzenesulphonic Acid adheres to stringent quality management protocols. Every batch is analyzed to ensure consistent purity, identity, and performance characteristics. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials. Due to its nature as a strong acid/organic solvent, keep away from heat, sparks, and open flames. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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