Description

5-Amino-2-Hydroxy-3-Nitrobenzenesulphonic Acid is a specialized aromatic sulfonic acid derivative that serves as a critical intermediate in the synthesis of complex organic molecules. Its unique structure, featuring amino, hydroxy, and nitro substituents, makes it a valuable building block for creating high-value dyes, pigments, and pharmaceutical compounds. This product is essential for manufacturers and R&D laboratories in the fine chemical, agrochemical, and specialty colorant industries seeking reliable and high-purity intermediates.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and other complex colorants, particularly for textiles and leather.
• Pharmaceutical Synthesis: Used as a building block in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Manufacturing: Employed in the production of certain herbicides, pesticides, and plant growth regulators.
• Chemical Research & Development: Serves as a versatile intermediate for organic synthesis and novel compound discovery in academic and industrial labs.
• Photographic Chemicals: Can be utilized in the formulation of certain specialty photographic developers and sensitizers.
• Complexant and Chelating Agent: Its functional groups allow it to act as a ligand or complexing agent in specific metal ion processes.

Basic Information

Product Name	5-Amino-2-Hydroxy-3-Nitrobenzenesulphonic Acid
CAS No.	6362-52-3
Molecular Formula	C6H6N2O6S
Molecular Weight	234.19 g/mol
Synonyms	5-Amino-2-hydroxy-3-nitrobenzenesulfonic acid; 2-Amino-5-nitro-3-phenol sulfonic acid; 3-Nitro-5-aminophenol-2-sulfonic acid; 5-Amino-3-nitrosalicylic acid-2-sulfonic acid; 2-Hydroxy-5-amino-3-nitrobenzenesulfonic acid; 3-Nitro-5-aminophenol-6-sulfonic acid; Benzenesulfonic acid, 5-amino-2-hydroxy-3-nitro-
EINECS	228-870-9

Quality Control

Our 5-Amino-2-Hydroxy-3-Nitrobenzenesulphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive applications like pharmaceutical synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
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.