Description

1,3-Benzenedicarboxylic Acid, 5,5',5''-[1,3,5-Benzenetriyltris(2,1-Ethynediyl-4,1-Phenylene-2,1-Ethynediyl)]Tris- is a sophisticated, high-purity organic compound designed for advanced material science and electronics applications. This compound serves as a critical building block (monomer) for high-performance polymers and coordination frameworks, valued for its rigid, conjugated molecular architecture. It is essential for R&D and production teams in the organic electronics, photovoltaics, and specialty polymer industries seeking to develop next-generation materials with tailored electronic and optical properties.

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs), Organic Photovoltaics (OPVs), and Organic Field-Effect Transistors (OFETs).
• Metal-Organic Framework (MOF) Synthesis: Acts as a multi-dentate organic linker for constructing novel MOFs with potential applications in gas storage, separation, and catalysis.
• Advanced Polymer Chemistry: Used in the production of specialty polyimides, polyamides, and other high-temperature, high-performance polymers requiring rigid, aromatic backbones.
• Non-Linear Optical (NLO) Materials: Serves as a core component in the development of materials for photonics and electro-optics due to its extended π-conjugated system.
• Chemical Research & Development: A valuable intermediate for academic and industrial research in supramolecular chemistry and advanced organic synthesis.

Basic Information

Item	Details
Product Name	1,3-Benzenedicarboxylic Acid, 5,5',5''-[1,3,5-Benzenetriyltris(2,1-Ethynediyl-4,1-Phenylene-2,1-Ethynediyl)]Tris-
CAS No.	1253587-77-7
Molecular Formula	C48H24O6
Molecular Weight	696.71 g/mol
Synonyms	5,5',5''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))diisophthalic acid; Tris(4-(2-(3,5-dicarboxyphenyl)ethynyl)phenyl)benzene; 1,3,5-Tris(4-(2-(3,5-dicarboxyphenyl)ethynyl)phenyl)benzene; Extended Terephthalic Acid Derivative; Conjugated Aromatic Tricarboxylic Acid; BTB-TEPA (common abbreviation); Research Compound 1253587-77-7
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity essential for sensitive electronic applications. Quality is verified through advanced analytical techniques including HPLC, NMR, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and R&D documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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