Description

4-Nitro4-Aminodiphenylamine4-Sulfonicacid is a high-purity, specialized aromatic sulfonic acid derivative used as a critical intermediate in advanced chemical synthesis. Its unique molecular structure, featuring both nitro and amino functional groups on a sulfonated diphenylamine backbone, makes it an essential building block for creating complex, high-value compounds. This product is primarily required by manufacturers in the dye and pigment, pharmaceutical, and agrochemical industries for developing products with specific colorimetric and biological properties.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of high-performance azo dyes, acid dyes, and reactive dyes, particularly for textiles, leather, and paper.
• Pharmaceutical Synthesis: Serves as a crucial building block for active pharmaceutical ingredients (APIs) and other fine chemicals requiring a sulfonated aromatic amine structure.
• Agrochemical Production: Used in the manufacture of specialized herbicides, fungicides, and plant growth regulators.
• Research & Development: Employed in academic and industrial R&D labs for developing novel chemical entities and materials.
• Photographic Chemicals: Can be utilized in the synthesis of certain color couplers and sensitizers for photographic films.
• Polymer Additives: Acts as a monomer or modifier in the production of specialty polymers and resins.

Basic Information

Product Name	4-Nitro4-Aminodiphenylamine4-Sulfonicacid
CAS No.	118-87-6
Molecular Formula	C12H11N3O5S
Molecular Weight	309.30 g/mol
Synonyms	4-Nitro-4'-aminodiphenylamine-2'-sulfonic acid; 2-Amino-5-(4-aminophenylsulfonyl)nitrobenzene; 4-Amino-4'-nitrodiphenylamine-2'-sulfonic acid; C.I. 37240; 1-Amino-2-(4-aminophenylsulfonyl)-5-nitrobenzene; 4-Nitro-4'-Aminodiphenylamine-2'-Sulfonic Acid; 118-87-6; 4-ADSA
EINECS	204-285-6

Quality Control

Our 4-Nitro4-Aminodiphenylamine4-Sulfonicacid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and traceability for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is between 15°C and 25°C. The product is hygroscopic (moisture-sensitive) and should be kept under dry conditions.

Specification

Item	Specification
Appearance	Yellow to brownish powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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