Description

3,3'-Dinitrobenzidine is a high-purity aromatic diamine derivative, primarily recognized as a key chemical intermediate in the synthesis of advanced organic pigments and dyes. Its precise molecular structure is critical for producing colorants with excellent thermal stability and vivid hues, making it a valuable component for demanding industrial applications. This compound is essential for manufacturers in the pigments, polymers, and specialty chemical sectors seeking reliable, high-quality intermediates for their production processes.

Application

• Primary Intermediate for High-Performance Pigments: Serves as a crucial building block in the synthesis of diarylide yellows, oranges, and other azo pigments known for their color strength and durability.
• Polymer Industry: Used in the production of specialized polyimides and other high-temperature polymers, where its aromatic structure contributes to thermal and chemical resistance.
• Dye Manufacturing: Acts as a precursor for creating complex dyes used in textiles, inks, and plastics that require specific colorfastness properties.
• Research & Development: Employed in organic synthesis laboratories for developing novel chemical entities and materials with unique optical or electronic properties.
• Cross-linking Agent: Potential use in epoxy resin systems and other thermosetting polymers to enhance mechanical properties and network density.

Basic Information

Product Name	3,3'-Dinitrobenzidine
CAS No.	6271-79-0
Molecular Formula	C12H10N4O4
Molecular Weight	274.23 g/mol
Synonyms	3,3'-Dinitro-[1,1'-biphenyl]-4,4'-diamine; 4,4'-Diamino-3,3'-dinitrobiphenyl; Dinitrobenzidine; C.I. 37235; Benzidine, 3,3'-dinitro-; DNBT; Fast Scarlet B Base
EINECS	228-448-6

Quality Control

Our 3,3'-Dinitrobenzidine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 opaque containers until use.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
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.