Description

3,3'-Dimethoxybenzidine Dihydrochloride is a high-purity aromatic diamine derivative, primarily utilized as a critical chemical intermediate in advanced synthesis. Its value lies in providing a reliable and consistent building block for the production of specialized dyes, pigments, and other complex organic compounds. This product is essential for manufacturers and R&D laboratories in the dyestuff, pharmaceutical, and analytical reagent sectors seeking precise molecular control.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes and high-performance pigments.
• Pharmaceutical Synthesis: Used as a building block in the research and development of active pharmaceutical ingredients (APIs).
• Analytical Chemistry: Employed in the preparation of reagents and indicators for chemical analysis and detection.
• Polymer Research: Serves as a monomer or cross-linking agent in the development of specialty polymers.
• Laboratory Research: A valuable compound for organic synthesis and methodological studies in academic and industrial R&D.

Basic Information

Product Name	3,3'-Dimethoxybenzidine Dihydrochloride
CAS No.	20325-40-0
Molecular Formula	C14H18N2O2 · 2HCl
Molecular Weight	317.22 g/mol
Synonyms	o-Dianisidine Dihydrochloride; 3,3'-Dimethoxy-[1,1'-biphenyl]-4,4'-diamine Dihydrochloride; 4,4'-Diamino-3,3'-dimethoxybiphenyl Dihydrochloride; Bianisidine Dihydrochloride; C.I. 37235; Direct Blue 15 Intermediate; o,o'-Dianisidine Dihydrochloride; 3,3'-Dimethoxybenzidine Hydrochloride
EINECS	243-744-7

Quality Control

Our 3,3'-Dimethoxybenzidine Dihydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	White to off-white or grayish crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.