Description

2,2'-Dimethyl-1,1'-Biphenyl-4,4'-Diamine Dihydrochloride is a high-purity, dihydrochloride salt derivative of a biphenyl diamine, serving as a critical advanced intermediate in organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of high-performance polymers and specialty dyes. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable, high-quality building blocks for their processes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with biphenyl core structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the production of high-temperature resistant polymers, polyimides, and liquid crystal polymers (LCPs).
• Dye & Pigment Manufacturing: Essential intermediate for synthesizing azo dyes and other complex organic pigments requiring high color fastness and stability.
• Research & Development: Valuable building block in academic and industrial R&D for exploring new chemical entities and material properties.
• Electronics Industry: Potential use in the synthesis of organic semiconductors and charge-transport materials for electronic devices.

Basic Information

Product Name	2,2'-Dimethyl-1,1'-Biphenyl-4,4'-Diamine Dihydrochloride
CAS No.	60410-99-3
Molecular Formula	C14H18N2·2HCl
Molecular Weight	291.22 g/mol (Free base: 214.31 g/mol)
Synonyms	4,4'-Diamino-2,2'-dimethylbiphenyl Dihydrochloride; 2,2'-Dimethylbenzidine Dihydrochloride; o-Tolidine Dihydrochloride; 3,3'-Dimethyl-[1,1'-biphenyl]-4,4'-diamine Dihydrochloride; Biphenyl-4,4'-diamine, 2,2'-dimethyl-, dihydrochloride; 2,2'-Dimethyl-4,4'-diaminobiphenyl Dihydrochloride; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2,2'-Dimethyl-1,1'-Biphenyl-4,4'-Diamine Dihydrochloride 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 stringent specifications for use in sensitive applications. Certificates of Analysis (COA) documenting batch-specific results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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