Description

2,2'-Dimethoxybiphenyl-4,4'-Diamine is a high-purity aromatic diamine derivative, serving as a critical building block in advanced organic synthesis. Its bifunctional amine groups and symmetrical, methoxy-substituted biphenyl core make it an essential monomer for creating polymers and dyes with tailored thermal and optical properties. This compound is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical intermediate sectors for applications demanding precise molecular architecture.

Application

• Polymer Synthesis: A key monomer for the production of high-performance polyimides, polyamides, and aramids, contributing to thermal stability and mechanical strength.
• Liquid Crystal Materials: Used as a core intermediate in the synthesis of liquid crystal compounds for display technologies.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other complex organic pigments, providing color fastness and specific hue characteristics.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and other complex organic molecules.
• Electronics Industry: Utilized in the development of organic semiconductors and photoresist materials for microelectronics.
• Cross-linking Agent: Functions as a cross-linker in epoxy resin systems and other thermosetting polymers to enhance network density and performance.

Basic Information

Product Name	2,2'-Dimethoxybiphenyl-4,4'-Diamine
CAS No.	4746-75-2
Molecular Formula	C14H16N2O2
Molecular Weight	244.29 g/mol
Synonyms	4,4'-Diamino-2,2'-dimethoxybiphenyl; 2,2'-Dimethoxybenzidine; o,o'-Dimethoxybenzidine; 2,2'-Dimethoxy-4,4'-diaminobiphenyl; 4,4'-Diamino-2,2'-dimethoxydiphenyl; Bianisidine; Dianisidine (base); 3,3'-Dimethoxybenzidine; [1,1'-Biphenyl]-4,4'-diamine, 2,2'-dimethoxy-
EINECS	225-267-1

Quality Control

Our 2,2'-Dimethoxybiphenyl-4,4'-Diamine is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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. Due to its light-sensitive nature, the container should be opaque or stored in a dark place.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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