Description

4-Nitro-o-Phenylenediamine is a versatile aromatic diamine derivative characterized by its nitro and amino functional groups. This compound is a critical intermediate in the synthesis of complex organic molecules, valued for its role in creating dyes, pigments, and other functional materials. It is essential for manufacturers and R&D laboratories in the chemical, pharmaceutical, and agrochemical sectors seeking reliable, high-purity building blocks.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, hair dyes, and complex organic pigments.
• Pharmaceutical Synthesis: Used as a building block in the research and development of active pharmaceutical ingredients (APIs).
• Agrochemical Production: Serves as an intermediate in the manufacture of certain herbicides and pesticides.
• Polymer Chemistry: Can be utilized in the production of specialty polymers and resins.
• Chemical Research: Employed in organic synthesis and as a reagent for analytical purposes in laboratory settings.
• Photographic Chemicals: Used in the formulation of certain photographic developers and sensitizers.

Basic Information

Product Name	4-Nitro-o-Phenylenediamine
CAS No.	99-56-9
Molecular Formula	C6H7N3O2
Molecular Weight	153.14 g/mol
Synonyms	1,2-Diamino-4-nitrobenzene; 4-Nitro-1,2-benzenediamine; 4-Nitro-1,2-diaminobenzene; o-Phenylenediamine, 4-nitro-; C.I. 76020; Developer C; Fourrine 57; Fourrine Brown 2R; Ursol Brown RR; Zoba Brown R
EINECS	202-766-3

Quality Control

Our 4-Nitro-o-Phenylenediamine is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for industrial and research applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

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. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Brownish-yellow to red crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	199°C - 205°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.