Description

4,4'-Stilbenedicarboxylic Acid is a high-purity organic compound belonging to the class of dicarboxylic acids featuring a central stilbene core. This structure makes it a valuable and versatile building block, particularly as a monomer for the synthesis of advanced polymers and liquid crystals. It is essential for manufacturers and R&D facilities in the fine chemical, advanced material, and pharmaceutical intermediate sectors. The compound is supplied under strict quality control to ensure batch-to-batch consistency for demanding applications.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyesters, polyamides, and specialty engineering plastics with enhanced thermal and mechanical properties.
• Liquid Crystal Materials: Serves as a crucial rigid-rod precursor in the manufacture of liquid crystal polymers (LCPs) and display materials.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for electron-transport or emissive layer materials in OLED device fabrication.
• Coordination Chemistry: Functions as a bridging ligand for constructing metal-organic frameworks (MOFs) and coordination polymers.
• Dye and Pigment Intermediates: Utilized in the synthesis of optical brighteners and specialized dyes due to its conjugated system.
• Crosslinking Agent: Can be employed to introduce rigidity and thermal stability into polymer networks as a crosslinker.
• Research & Development: A valuable compound for academic and industrial research in material science and synthetic chemistry.

Basic Information

Product Name	4,4'-Stilbenedicarboxylic Acid
CAS No.	133005-88-6
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-; (E)-4,4'-(Ethene-1,2-diyl)dibenzoic Acid
EINECS	Contact for details

Quality Control

Our 4,4'-Stilbenedicarboxylic Acid is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced material synthesis and pharmaceutical research. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key specifications such as assay, related substances, and residual solvents. We adhere to cGMP principles where applicable to guarantee reliable supply and consistent performance for our global B2B clients.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect purity and performance. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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