Description

4-Nitro-1,3-Phenylenediamine Sulfate is a high-purity, sulfate salt derivative of a key aromatic diamine intermediate. This compound matters for its role as a versatile precursor in the synthesis of complex organic molecules, particularly dyes and pigments, where it provides essential structural and functional properties. It is primarily needed by manufacturers in the chemical synthesis, specialty dye, and advanced material research sectors seeking reliable, high-quality building blocks.

Application

• Dye and Pigment Intermediate: A critical precursor in the synthesis of azo dyes and other complex colorants.
• Hair Dye Formulations: Used as a key oxidative coupling agent in permanent hair color products.
• Pharmaceutical Synthesis: Serves as a building block for active pharmaceutical ingredients (APIs) and other fine chemicals.
• Polymer and Resin Modification: Acts as a monomer or cross-linking agent in specialty polymer production.
• Chemical Research & Development: Employed in organic synthesis for developing novel compounds and materials.
• Photographic Chemicals: Used in the formulation of certain light-sensitive photographic developers.

Basic Information

Product Name	4-Nitro-1,3-Phenylenediamine Sulfate
CAS No.	200295-57-4
Molecular Formula	C6H7N3O2 • H2SO4
Molecular Weight	265.22 g/mol
Synonyms	1,3-Diamino-4-nitrobenzene sulfate; 4-Nitro-m-phenylenediamine sulfate; 4-Nitro-1,3-benzenediamine sulfate; 2-Nitro-1,3-diaminobenzene sulfate; 4-Nitro-mPDA sulfate; C.I. 76030 (base); 4-Nitro-1,3-diaminobenzene sulfate salt
EINECS	Contact for details

Quality Control

Our 4-Nitro-1,3-Phenylenediamine Sulfate is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and composition. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfate Content (Titration)	Conforms to theoretical value
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.