Description

3,4-Diaminobiphenyl Dihydrochloride is a high-purity aromatic diamine salt, a critical building block in advanced organic synthesis. Its value lies in providing a stable, soluble form of the diamine for controlled reactions, particularly in the creation of complex heterocyclic systems and functional polymers. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials industries who require a reliable precursor for the development of dyes, ligands, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of benzimidazole and other nitrogen-containing heterocycles for potential drug candidates.
• Agrochemical Synthesis: Used in the development of novel fungicides, herbicides, and plant growth regulators that require a biphenyl diamine core.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for producing polyimides, azo dyes, and other high-performance polymers with thermal stability.
• Ligand & Catalyst Development: Employed in the preparation of chelating ligands for metal complexes used in catalysis and analytical chemistry.
• Research & Development: A valuable reagent for academic and industrial R&D in organic chemistry and medicinal chemistry projects.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of specialized azo dyes and organic pigments.

Basic Information

Product Name	3,4-Diaminobiphenyl Dihydrochloride
CAS No.	471238-97-8
Molecular Formula	C12H14Cl2N2
Molecular Weight	257.16 g/mol
Synonyms	3,4-Diaminobiphenyl Dihydrochloride; 3,4'-Diaminobiphenyl Dihydrochloride; 3,4-Diamino-1,1'-biphenyl Dihydrochloride; [1,1'-Biphenyl]-3,4-diamine Dihydrochloride; 3,4-Diaminodiphenyl Dihydrochloride; 3,4-Biphenyldiamine Dihydrochloride; o-Phenylenediamine, 4'-amino-, Dihydrochloride
EINECS	Contact for details

Quality Control

Our 3,4-Diaminobiphenyl Dihydrochloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

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 tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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