Description

1,2-Diamino-3-Nitrobenzene is a versatile aromatic nitroamine compound that serves as a critical synthetic intermediate. Its unique bifunctional structure, featuring both amino and nitro groups on a benzene ring, makes it a valuable precursor for constructing complex heterocyclic systems and advanced materials. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty dye sectors for developing active ingredients and functional colorants.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of benzimidazole derivatives, quinoxalines, and other nitrogen-containing heterocycles with potential biological activity.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require specific nitroaniline-based scaffolds.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and complex organic pigments, contributing to color fastness and specific hue properties.
• Corrosion Inhibitor Formulation: Incorporated into specialty chemical formulations designed to protect metal surfaces in industrial applications.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polyamides, polyimides, and other high-performance polymers.
• Research & Development: Essential reagent in organic synthesis laboratories for methodological studies and the development of new chemical entities.

Basic Information

Product Name	1,2-Diamino-3-Nitrobenzene
CAS No.	3694-52-8
Molecular Formula	C6H7N3O2
Molecular Weight	153.14 g/mol
Synonyms	3-Nitro-1,2-phenylenediamine; 1,2-Phenylenediamine, 3-nitro-; 2,3-Diaminonitrobenzene; 3-Nitro-o-phenylenediamine; o-Phenylenediamine, 3-nitro-; C.I. 76030; 3-Nitrobenzene-1,2-diamine
EINECS	223-025-5

Quality Control

Our 1,2-Diamino-3-Nitrobenzene is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed results for parameters including assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring high-purity intermediates for regulated synthesis.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
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.