Description

6,6'-Diacetoxy-3,3'-Biphenyldicarboxylic Acid is a high-purity, functionalized biphenyl derivative used as a critical intermediate in advanced organic synthesis. This compound is valued for its bifunctional chemical structure, which provides two reactive carboxylic acid groups and two protected phenolic acetoxy groups, enabling precise and controlled polymerization or derivatization. It is primarily required by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules, particularly those requiring rigid, biphenyl-based scaffolds.
• Liquid Crystal Polymer (LCP) Monomer: Serves as a crucial monomer for producing high-temperature, high-performance engineering plastics used in electronics and automotive components.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides and fungicides where specific molecular geometry is essential for activity.
• Specialty Polymer Crosslinker: Functions as a crosslinking agent or co-monomer to enhance the thermal and mechanical properties of resins and coatings.
• Organic Electronic Materials: Investigated as a precursor for organic semiconductors and charge-transport materials in OLED and photovoltaic research.
• Chemical Research & Development: A versatile intermediate for academic and industrial research in medicinal chemistry and material science.

Basic Information

Product Name	6,6'-Diacetoxy-3,3'-Biphenyldicarboxylic Acid
CAS No.	28861-78-1
Molecular Formula	C18H14O8
Molecular Weight	358.30 g/mol
Synonyms	3,3'-Biphenyldicarboxylic acid, 6,6'-bis(acetyloxy)-; 6,6'-Diacetoxy-[1,1'-biphenyl]-3,3'-dicarboxylic acid; 3,3'-Diacetoxy-6,6'-biphenyldicarboxylic Acid; Bis(6-carboxy-2-acetoxyphenyl); DA-BPDA (abbreviation); Biphenyl-3,3'-dicarboxylic acid, 6,6'-diacetate; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 6,6'-Diacetoxy-3,3'-Biphenyldicarboxylic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent exposure to atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.