Description

2,2'-Dinitrobenzidine is a specialized aromatic amine derivative, primarily recognized as a key chemical intermediate in the synthesis of high-performance pigments and dyes. Its precise molecular structure is critical for producing colorants with excellent thermal stability and lightfastness properties, which are essential for demanding industrial applications. This compound is of significant interest to manufacturers in the pigments, advanced materials, and specialty chemical synthesis sectors.

Application

• Pigment Intermediate: A crucial precursor in the manufacturing of high-performance organic pigments, particularly diarylide yellows and oranges, known for their color strength and durability.
• Dye Synthesis: Used in the production of specialized azo dyes for textiles, inks, and plastics that require enhanced resistance to fading.
• Polymer Additives: Serves as a building block for creating functional additives that impart specific properties to polymers.
• Chemical Research: Employed as a standard or reagent in organic synthesis and materials science research for developing novel aromatic compounds.
• Liquid Crystal Materials: Potential use as an intermediate in the synthesis of components for liquid crystal displays (LCDs).
• Photographic Chemicals: Can be utilized in the synthesis of certain chemicals used in photographic and imaging technologies.

Basic Information

Product Name	2,2'-Dinitrobenzidine
CAS No.	5855-71-0
Molecular Formula	C12H10N4O4
Molecular Weight	274.23 g/mol
Synonyms	2,2'-Dinitro-[1,1'-biphenyl]-4,4'-diamine; 4,4'-Diamino-2,2'-dinitrobiphenyl; 2,2'-Dinitro-4,4'-biphenyldiamine; o,o'-Dinitrobenzidine; Benzidine, 2,2'-dinitro-; C.I. 37230; Fast Scarlet G Base
EINECS	227-476-2

Quality Control

Our 2,2'-Dinitrobenzidine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

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, containers should be kept in the original packaging or an opaque secondary container until use.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.