Description

Bis[4-(2-Hydroxyethoxy)-3,5-Dibromophenyl] Sulfone is a specialized brominated aromatic sulfone derivative, valued for its role as a reactive intermediate and flame-retardant precursor. This compound is engineered to provide enhanced thermal stability and reactivity, making it a critical component in the synthesis of high-performance polymers and additives. It is primarily sought by manufacturers in the polymer, electronics, and specialty chemical industries for developing advanced materials with improved fire safety and durability.

Application

• Flame Retardant Intermediate: A key building block for synthesizing reactive and additive flame retardants used in engineering plastics, epoxy resins, and polycarbonates.
• Polymer Modification: Used to incorporate bromine and sulfone functional groups into polymer backbones to enhance thermal stability, flame resistance, and mechanical properties.
• Electronic Encapsulants: Employed in the production of flame-retardant encapsulating materials and potting compounds for electronic components and circuit boards.
• High-Temperature Adhesives & Coatings: Serves as a monomer or cross-linking agent in formulations requiring superior heat resistance and low flammability.
• Specialty Chemical Synthesis: Acts as a versatile intermediate for pharmaceutical and agrochemical research, leveraging its unique brominated aromatic structure.

Basic Information

Product Name	Bis[4-(2-Hydroxyethoxy)-3,5-Dibromophenyl] Sulfone
CAS No.	53714-39-9
Molecular Formula	C₁₈H₁₈Br₄O₆S
Molecular Weight	692.01 g/mol
Synonyms	1,1'-Sulfonylbis[4-(2-hydroxyethoxy)-3,5-dibromobenzene]; 4,4'-Sulfonylbis[2-(2-hydroxyethoxy)-1,3-dibromobenzene]; Tetrabromobisphenol S Di(2-hydroxyethyl) Ether; TBPS Di(2-hydroxyethyl) Ether; Bis(4-(2-hydroxyethoxy)-3,5-dibromophenyl)sulfone; 3,3',5,5'-Tetrabromo-4,4'-sulfonyldiphenol Di(2-hydroxyethyl) Ether; Flame Retardant Monomer FR-1
EINECS	Contact for details

Quality Control

Our production of Bis[4-(2-Hydroxyethoxy)-3,5-Dibromophenyl] Sulfone adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 sources and incompatible materials. 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 - 155 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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