Description

5-[(2,4-Dinitrophenyl)Amino]-2-Hydroxybenzenesulphonic Acid CAS NO 71607-42-6 is a specialized aromatic sulfonic acid derivative featuring a dinitroaniline moiety, making it a valuable intermediate for synthesizing complex organic molecules. Its unique structure provides reactive sites for further chemical modification, which is critical for producing high-value dyes, pigments, and analytical reagents. This compound is primarily sought by manufacturers and R&D laboratories in the fine chemical, dye, and pharmaceutical intermediate sectors.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes and other complex colorants, particularly for textiles and specialty inks.
• Pharmaceutical Synthesis: Serves as a building block for creating active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Analytical Reagent: Used in the formulation of specific chemical reagents and indicators for laboratory analysis.
• Chemical Research (R&D): Employed in academic and industrial research for developing new synthetic methodologies and novel compounds.
• Photographic Chemicals: Potential use in the synthesis of light-sensitive compounds for specialized photographic applications.
• Complexing Agent: Can act as a ligand or intermediate in the preparation of metal-complexing agents.

Basic Information

Product Name	5-[(2,4-Dinitrophenyl)Amino]-2-Hydroxybenzenesulphonic Acid
CAS No.	71607-42-6
Molecular Formula	C₁₂H₉N₃O₈S
Molecular Weight	355.28 g/mol
Synonyms	2-Hydroxy-5-[(2,4-dinitrophenyl)amino]benzenesulfonic acid; 5-[(2,4-Dinitroanilino)]-2-hydroxybenzenesulfonic acid; 2,4-Dinitro-N-(4-hydroxy-3-sulfophenyl)aniline; Benzenesulfonic acid, 5-[(2,4-dinitrophenyl)amino]-2-hydroxy-; 5-(2,4-Dinitroanilino)-2-hydroxybenzenesulfonic acid; 5-Amino-2-hydroxybenzenesulfonic acid, N-(2,4-dinitrophenyl)- derivative
EINECS	Contact for details

Quality Control

Our production of 5-[(2,4-Dinitrophenyl)Amino]-2-Hydroxybenzenesulphonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, identification by FT-IR, and control of key impurities. A Certificate of Analysis (COA) detailing all specifications 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, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in alkaline aqueous solutions and polar organic solvents

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