Description

4,4'-Stilbenedicarboxylic Acid is a high-purity organic compound, specifically a dicarboxylic acid derivative of stilbene, serving as a critical building block in advanced material synthesis. Its rigid, conjugated molecular structure makes it an essential intermediate for creating polymers and specialty chemicals with unique optical and electronic properties. This product is primarily needed by manufacturers in the polymer, liquid crystal, and pharmaceutical intermediate industries, where precise molecular architecture is paramount.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyesters, polyamides, and liquid crystal polymers (LCPs) with excellent thermal stability and mechanical strength.
• Liquid Crystal Materials: Used as a core component in the synthesis of monomers for liquid crystal displays (LCDs) and other electro-optical devices.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials or host materials in OLED fabrication due to its conjugated system.
• Pharmaceutical Intermediates: Serves as a building block in the research and development of novel active pharmaceutical ingredients (APIs).
• Dye and Pigment Manufacturing: Utilized in the synthesis of optical brighteners and specialized dyes.
• Cross-linking Agent: Can be employed to introduce rigidity and cross-links into polymer networks, enhancing material properties.
• Research & Development: A valuable compound for academic and industrial R&D in material science and organic chemistry.

Basic Information

Product Name	4,4'-Stilbenedicarboxylic Acid
CAS No.	100-31-2
Molecular Formula	C16H12O4
Molecular Weight	268.26 g/mol
Synonyms	trans-4,4'-Stilbenedicarboxylic Acid; 4,4'-(E)-Ethene-1,2-diyl)dibenzoic Acid; 4-Carboxy-4'-vinylbenzoic Acid (derivative); p,p'-Stilbenedicarboxylic Acid; (E)-4,4'-Stilbenedicarboxylic Acid; 1,1'-(1,2-Ethenediyl)bis[4-carboxybenzene]; Bibenzoic acid, 4,4'-vinylenedi-
EINECS	202-838-9

Quality Control

Our 4,4'-Stilbenedicarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for demanding applications in polymer and electronic material synthesis. Certificates of Analysis (COA) with detailed specifications are provided to guarantee batch-to-batch consistency and traceability.

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 oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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