Description

5,5'-Dimethyl-[1,1'-Biphenyl]-2,2'-dicarboxylic acid is a high-purity biphenyl-based dicarboxylic acid derivative, serving as a critical advanced intermediate in organic synthesis. Its rigid, substituted biphenyl core makes it a valuable building block for constructing complex molecular architectures with specific steric and electronic properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to develop active ingredients, ligands, and high-performance materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Ligand Synthesis: Used to create sophisticated chelating ligands for catalysis and metal-organic frameworks (MOFs) due to its precise spatial geometry.
• Agrochemical Development: Building block for advanced herbicides, fungicides, and plant growth regulators requiring specific biphenyl motifs.
• Polymer Chemistry: Monomer for producing high-temperature resistant polyamides, polyesters, and liquid crystal polymers (LCPs).
• Organic Electronic Materials: Intermediate in the development of organic semiconductors and charge-transport materials for OLEDs and photovoltaics.
• Chemical Research: Versatile reagent in academic and industrial R&D for exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	5,5'-Dimethyl-[1,1'-Biphenyl]-2,2'-dicarboxylic Acid
CAS No.	93012-36-3
Molecular Formula	C16H14O4
Molecular Weight	270.28 g/mol
Synonyms	2,2'-Biphenyldicarboxylic acid, 5,5'-dimethyl-; 5,5'-Dimethylbiphenyl-2,2'-dicarboxylic Acid; 2,2'-Dimethyl-5,5'-dicarboxybiphenyl; [1,1'-Biphenyl]-2,2'-dicarboxylic acid, 5,5'-dimethyl-; 5,5'-Dimethyl-[1,1'-biphenyl]-2,2'-dicarboxylic acid; 5,5'-Dimethyl-2,2'-biphenyldicarboxylic Acid
EINECS	Contact for details

Quality Control

Our 5,5'-Dimethyl-[1,1'-Biphenyl]-2,2'-dicarboxylic acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting specifications for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

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 acids and organic solvents. The container must be kept tightly closed to protect the contents from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.