Description

p-Bromostyrene Resin is a specialized functional polymer containing reactive bromine and vinyl groups, offering a unique combination of flame retardancy and polymerizable functionality. This compound is a critical intermediate for synthesizing advanced materials where halogenated aromatic structures are required for performance enhancement. It is primarily utilized by R&D chemists and production engineers in the polymer, electronics, and specialty chemical industries to develop flame-retardant additives, high-performance resins, and functional monomers for further polymerization.

Application

• Flame Retardant Additive Precursor: Serves as a key building block for synthesizing brominated flame retardants used in engineering plastics, textiles, and electronic encapsulants.
• Functional Monomer for Polymerization: Used in copolymerization reactions to introduce bromine and aromaticity into polymer backbones, modifying thermal and mechanical properties.
• Cross-linking Agent: Employed in the production of thermosetting resins and coatings, where the vinyl group participates in cross-linking to improve chemical and heat resistance.
• Intermediate for Pharmaceutical & Agrochemistry: Acts as a versatile synthon in organic synthesis for creating complex molecules in pharmaceutical and agrochemical research.
• Liquid Crystal & OLED Material Synthesis: Utilized in the development of brominated aromatic components for advanced electronic display materials.
• Adhesive & Sealant Formulations: Incorporated to enhance the fire safety profile of high-performance adhesive and sealant products.

Basic Information

Product Name	p-Bromostyrene Resin
CAS No.	24936-50-3
Molecular Formula	C8H7Br (monomer unit)
Molecular Weight	183.05 g/mol (monomer)
Synonyms	Poly(p-bromostyrene); 4-Bromostyrene polymer; 1-Bromo-4-ethenylbenzene homopolymer; Bromostyrene resin; p-Bromostyrene homopolymer; Poly(4-bromostyrene); (4-Bromophenyl)ethylene polymer; NSC 524303
EINECS	Contact for details

Quality Control

Our p-Bromostyrene Resin is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, molecular weight distribution, and purity suitable for its intended industrial applications. Certificates of Analysis (COA) detailing key parameters such as bromine content, residual monomer, viscosity, and thermal properties 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 acids, oxidizing agents, and sources of ignition. Due to its polymeric nature and light-sensitive (store away from light) properties, prolonged exposure to heat or direct light should be avoided to maintain product stability.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Bromine Content	40 - 46 %
Residual Monomer (p-Bromostyrene)	< 1.0 %
Molecular Weight (Mw)	5,000 - 50,000 Da (typical)
Glass Transition Temperature (Tg)	90 - 120 °C
Identification (IR)	Conforms to structure
Loss on Drying	< 0.5 %

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