Description

3,3',4,4',5,5'-Hexamethyl-1,1'-Biphenyl is a high-purity, multi-methylated biphenyl derivative, serving as a critical advanced intermediate in organic synthesis. Its unique sterically hindered structure makes it a valuable building block for developing specialized ligands, polymers, and functional materials. This compound is essential for research and production in the pharmaceutical, agrochemical, and advanced material science industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for creating complex, sterically demanding molecular frameworks.
• Agrochemical Synthesis: Serves as a key precursor in the development of advanced pesticides and herbicides with tailored properties.
• Ligand & Catalyst Development: Acts as a backbone for constructing sophisticated ligands used in homogeneous catalysis and organometallic chemistry.
• Advanced Polymer & Material Science: Employed as a monomer or additive to engineer polymers with specific thermal, mechanical, or optical characteristics.
• Organic Electronic Materials: Investigated for use in the development of organic semiconductors and charge-transport materials due to its conjugated biphenyl core.
• Research & Development: A vital tool in academic and industrial R&D for exploring new synthetic methodologies and material properties.

Basic Information

Product Name	3,3',4,4',5,5'-Hexamethyl-1,1'-Biphenyl
CAS No.	56667-01-7
Molecular Formula	C18H22
Molecular Weight	238.37 g/mol
Synonyms	Hexamethylbiphenyl; 1,1'-Biphenyl, 3,3',4,4',5,5'-hexamethyl-; 3,3',4,4',5,5'-Hexamethylbiphenyl; NSC 163045; 3,3',4,4',5,5'-Hexamethyl-[1,1'-biphenyl]; 3,3',4,4',5,5'-Hexamethyl-diphenyl
EINECS	Contact for details

Quality Control

Our 3,3',4,4',5,5'-Hexamethyl-1,1'-Biphenyl is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment 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
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.