Description

Benzene, 1,1'-(1,2-Ethynediyl)Bis[3,5-Dibromo- is a specialized brominated aromatic compound featuring an ethynediyl bridge, making it a valuable intermediate for advanced material synthesis. This high-purity building block is critical for researchers and manufacturers requiring precise molecular architecture to impart specific properties like flame retardancy or photoactivity. It is primarily utilized in the development of novel polymers, liquid crystals, and organic electronic materials. The compound, identified by CAS 448895-60-1, is essential for applications demanding tailored bromine functionality and rigid molecular backbones.

Application

• Advanced Polymer Synthesis: Serves as a key monomer or cross-linking agent for creating high-performance, flame-retardant polymers and resins.
• Organic Electronic Materials: Used in the research and development of organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and photoconductors.
• Liquid Crystal Displays (LCDs): Acts as a core intermediate for synthesizing brominated liquid crystal compounds for display technologies.
• Pharmaceutical & Agrochemical Intermediates: Provides a complex, brominated aromatic scaffold for the synthesis of active ingredients and fine chemicals.
• Flame Retardant Additives: Incorporated into material formulations to enhance fire resistance properties in plastics and textiles.
• Research & Development: A valuable tool in academic and industrial R&D for studying structure-property relationships in material science.

Basic Information

Product Name	Benzene, 1,1'-(1,2-Ethynediyl)Bis[3,5-Dibromo-
CAS No.	448895-60-1
Molecular Formula	C22H12Br4
Molecular Weight	635.86 g/mol
Synonyms	1,1'-(1,2-Ethynediyl)bis[3,5-dibromobenzene]; 3,3',5,5'-Tetrabromo-1,1'-ethyne-1,2-diyldibenzene; 1,2-Bis(3,5-dibromophenyl)ethyne; 3,5-Dibromophenylacetylene dimer; Tetrabromodiphenylacetylene
EINECS	Contact for details

Quality Control

Our Benzene, 1,1'-(1,2-Ethynediyl)Bis[3,5-Dibromo- is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to verify identity, potency, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment. We support compliance with global regulatory frameworks, and custom purity grades can be produced to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.