Description

2-[Bis(3,5-Dibromo-4-Hydroxyphenyl)Hydroxymethyl]Benzenesulfonic Acid γ-Sultone is a high-purity, brominated organic intermediate of significant commercial importance. This compound is valued for its role as a key building block in the synthesis of advanced flame retardants and specialty polymers. It is primarily sought by manufacturers in the polymer, electronics, and construction material industries seeking to enhance the fire safety properties of their products.

Application

• Flame Retardant Intermediate: A critical precursor in the synthesis of reactive and additive brominated flame retardants for engineering plastics and thermosets.
• Polymer Modification: Used to incorporate flame-retardant properties directly into polymer backbones, such as in epoxy resins, polycarbonates, and polyesters.
• Electronic Encapsulants: Employed in the production of flame-retardant compounds for potting and encapsulation materials in electronic components.
• Wire & Cable Coating: Contributes to the development of fire-resistant coatings and insulation for electrical wires and cables.
• Specialty Chemical Synthesis: Serves as a versatile intermediate for creating other brominated aromatic compounds with specific functional properties.
• Research & Development: Utilized in laboratories for developing new flame-retardant formulations and studying structure-property relationships.

Basic Information

Item	Details
Product Name	2-[Bis(3,5-Dibromo-4-Hydroxyphenyl)Hydroxymethyl]Benzenesulfonic Acid γ-Sultone
CAS No.	38387-92-7
Molecular Formula	C20H12Br4O6S
Molecular Weight	707.99 g/mol
Synonyms	Benzenesulfonic acid, 2-[bis(3,5-dibromo-4-hydroxyphenyl)hydroxymethyl]-, γ-sultone; 2,2-Bis(3,5-dibromo-4-hydroxyphenyl)propanesulfonic acid sultone; Tetrabromobisphenol A sulfone sultone; TBPS Sultone; Brominated bisphenol A sulfone sultone; Flame retardant intermediate 38387-92-7; γ-Sultone of 2-[bis(3,5-dibromo-4-hydroxyphenyl)hydroxymethyl]benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our 2-[Bis(3,5-Dibromo-4-Hydroxyphenyl)Hydroxymethyl]Benzenesulfonic Acid γ-Sultone is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC and IR spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance protocols.

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 strong alkalis and incompatible organic solvents. The product is light-sensitive (store away from light).

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%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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