Description

Terephthalic Acid/(1,1'Biphenyl)-4,4'-Diol/4-Carboxyphenol is a high-purity, multi-functional aromatic compound that serves as a critical building block and intermediate in advanced chemical synthesis. Its unique molecular structure, combining carboxylic acid and phenolic hydroxyl functionalities, makes it invaluable for creating specialized polymers and fine chemicals. This product is essential for R&D laboratories and industrial manufacturers in the polymer, pharmaceutical, and specialty chemical sectors seeking to develop novel materials with enhanced properties.

Application

• Polymer Synthesis: Key monomer or co-monomer for producing high-performance engineering plastics, liquid crystal polymers (LCPs), and aromatic polyesters.
• Pharmaceutical Intermediates: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Advanced Material Research: Used in R&D for developing new organic electronic materials, coatings, and adhesives with specific thermal or chemical resistance.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes, pigments, and optical brighteners.
• Cross-linking Agent: Utilized in formulations for epoxy resins and other thermosetting polymers to modify hardness and stability.
• Laboratory Reagent: Employed as a standard or reagent in analytical chemistry and academic research.

Basic Information

Product Name	Terephthalic Acid/(1,1'Biphenyl)-4,4'-Diol/4-Carboxyphenol
CAS No.	132699-78-6
Molecular Formula	C14H10O4
Molecular Weight	242.23 g/mol
Synonyms	4,4'-Dihydroxybiphenyl-3-carboxylic Acid; 3-Carboxy-4,4'-biphenol; 4-Carboxy-4'-hydroxybiphenyl; Biphenyl-4,4'-diol-3-carboxylic Acid; [1,1'-Biphenyl]-4,4'-diol, 3-carboxy-; Terephthalic Acid Derivative; 4-Hydroxybiphenyl-4'-carboxylic Acid; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Terephthalic Acid/(1,1'Biphenyl)-4,4'-Diol/4-Carboxyphenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, IR, and titration methods, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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