Description

4,4'-Dimethylbiphenyl is a high-purity organic compound belonging to the biphenyl class, serving as a versatile and critical intermediate in advanced chemical synthesis. Its symmetrical structure and methyl substituents make it a valuable building block for creating complex molecules with tailored properties. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable, high-quality raw materials for their processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Liquid Crystal & OLED Materials: Used as a core structural unit in the development of liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs) for electronic devices.
• Agrochemical Synthesis: Serves as an intermediate in the production of certain herbicides, fungicides, and other crop protection agents.
• Polymer & Resin Modifier: Acts as a monomer or additive to enhance the thermal stability and mechanical properties of engineering plastics and specialty polymers.
• Organic Synthesis & Research: A fundamental reagent in academic and industrial laboratories for coupling reactions and the construction of conjugated systems.
• Dye & Pigment Manufacturing: Utilized in the synthesis of specific dyes and organic pigments due to its aromatic structure.

Basic Information

Product Name	4,4'-Dimethylbiphenyl
CAS No.	613-33-2
Molecular Formula	C14H14
Molecular Weight	182.26 g/mol
Synonyms	p,p'-Dimethylbiphenyl; 4,4'-Dimethyl-1,1'-biphenyl; p,p'-Bitolyl; 1,1'-Biphenyl, 4,4'-dimethyl-; DMBP; Biphenyl, 4,4'-dimethyl-; p-Xenyl; 4-Methyl-4'-methylbiphenyl
EINECS	210-331-4

Quality Control

Our 4,4'-Dimethylbiphenyl is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting our customers' needs for reliable and traceable raw materials in regulated industries.

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 heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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.