Description

2,2',5,5'-Tetramethylbiphenyl is a high-purity, symmetrical biphenyl derivative characterized by its four methyl substituents. This compound serves as a versatile and valuable advanced organic intermediate and building block in sophisticated chemical synthesis. It is primarily utilized by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a backbone for creating specialized ligands in organometallic chemistry and catalysis.
• Liquid Crystal & OLED Materials: A precursor in the development of organic electronic materials, including liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs).
• Polymer Chemistry: Acts as a monomer or modifier in the synthesis of high-performance polymers and engineering plastics.
• Organic Synthesis & Research: A valuable reagent for academic and industrial research in organic chemistry, particularly in cross-coupling reactions.

Basic Information

Product Name	2,2',5,5'-Tetramethylbiphenyl
CAS No.	3075-84-1
Molecular Formula	C16H18
Molecular Weight	210.31 g/mol
Synonyms	2,2',5,5'-Tetramethyl-1,1'-biphenyl; 2,2',5,5'-Tetramethylbiphenyl; 1,1'-Biphenyl, 2,2',5,5'-tetramethyl-; Ditolyl, 2,2',5,5'-tetramethyl-; 2,5-Dimethyl-2',5'-dimethylbiphenyl; Tetramethylbiphenyl (mixed isomers); TMBP
EINECS	221-353-5

Quality Control

Our 2,2',5,5'-Tetramethylbiphenyl is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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