Description

Benzidine is a vital aromatic amine compound, historically significant as a key intermediate in the production of dyes and pigments. Its chemical structure makes it a fundamental building block for synthesizing azo dyes, which are valued for their colorfastness and intensity. This product is primarily utilized by manufacturers in the chemical synthesis, research, and analytical reagent sectors, where high-purity organic intermediates are essential.

Application

• Dye and Pigment Manufacturing: Serves as a crucial precursor for the synthesis of various azo dyes and pigments used in textiles, inks, and plastics.
• Chemical Synthesis Intermediate: Used as a building block in organic synthesis for creating more complex chemical compounds.
• Analytical Reagent: Employed in specific laboratory tests and analytical procedures, such as the detection of certain ions or compounds.
• Research & Development: Utilized in academic and industrial research for studying aromatic amine chemistry and developing new materials.
• Hardener for Rubber and Plastics: Acts as a component in certain vulcanization and curing processes.

Basic Information

Product Name	Benzidine
CAS No.	92-87-5
Molecular Formula	C12H12N2
Molecular Weight	184.24 g/mol
Synonyms	[1,1'-Biphenyl]-4,4'-diamine; 4,4'-Diaminobiphenyl; 4,4'-Bianiline; p-Diaminodiphenyl; Benzidine base; Fast Corinth Base B; C.I. 37225
EINECS	202-199-1

Quality Control

Our Benzidine is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including purity assay and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	White to grayish crystalline powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	127°C - 130°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.