Description

4,4'-Dimethylbiphenyl is a high-purity organic compound, also known as p,p'-Dimethylbiphenyl, serving as a critical intermediate in advanced chemical synthesis. Its symmetrical biphenyl structure with para-methyl substituents makes it a valuable building block for creating complex molecules, liquid crystals, and functional polymers. This product is essential for R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Liquid Crystal Materials: Serves as a core structural unit in the production of nematic and smectic liquid crystals for display technologies.
• Polymer & Resin Synthesis: Used as a monomer or cross-linking agent in the development of high-performance engineering plastics and specialty resins.
• Agrochemical Synthesis: An intermediate in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for host or transport materials in OLED device fabrication.
• Research & Development: A valuable standard and reagent in organic chemistry research, catalysis studies, and material science.
• Dye & Pigment Manufacturing: Utilized in the synthesis of specific organic dyes and colorants.

Basic Information

Item	Detail
Product Name	4,4'-Dimethylbiphenyl
CAS No.	2905-30-8
Molecular Formula	C14H14
Molecular Weight	182.26 g/mol
Synonyms	p,p'-Dimethylbiphenyl; 1,1'-Biphenyl, 4,4'-dimethyl-; 4,4'-Dimethyl-1,1'-biphenyl; DMBP; Biphenyl, 4,4'-dimethyl-; [1,1'-Biphenyl]-4,4'-dimethyl
EINECS	220-828-7

Quality Control

Our 4,4'-Dimethylbiphenyl is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent quality suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is 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, and 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	120 - 124 °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.