Description

4,4'-Dichloro-3,3',5,5'-Tetramethyl-1,1'-Biphenyl is a high-purity, halogenated biphenyl derivative serving as a critical synthetic intermediate and building block in advanced organic chemistry. Its value lies in its rigid, substituted biphenyl core, which is essential for constructing complex molecular architectures with specific steric and electronic properties. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials industries for applications such as ligand synthesis and the development of functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a sterically hindered biphenyl moiety.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Ligand Precursor: Serves as a foundational structure for creating sophisticated ligands used in catalysis and metal-organic frameworks (MOFs).
• Specialty Polymer Monomer: Employed in the development of high-performance polymers, including liquid crystals and engineering plastics, where thermal stability and specific geometry are required.
• Organic Electronic Materials: Investigated as a core component in the synthesis of materials for organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Research & Development: A versatile reagent for method development and exploring novel organic reactions in academic and industrial laboratories.

Basic Information

Product Name	4,4'-Dichloro-3,3',5,5'-Tetramethyl-1,1'-Biphenyl
CAS No.	89448-05-5
Molecular Formula	C16H16Cl2
Molecular Weight	279.20 g/mol
Synonyms	3,3',5,5'-Tetramethyl-4,4'-dichlorobiphenyl; 4,4'-Dichloro-3,3',5,5'-tetramethylbiphenyl; Biphenyl, 4,4'-dichloro-3,3',5,5'-tetramethyl-; 1,1'-Biphenyl, 4,4'-dichloro-3,3',5,5'-tetramethyl-; Tetramethyl Dichlorobiphenyl
EINECS	Contact for details

Quality Control

Our 4,4'-Dichloro-3,3',5,5'-Tetramethyl-1,1'-Biphenyl is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

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 heat, sparks, and open flame. This material is light-sensitive (store away from light).

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%
Heavy Metals	≤ 20 ppm

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