Description

3-Amino-4-Hydroxy-5-Nitrobenzene-1-Sulfonic Acid Hydrate is a versatile aromatic sulfonic acid derivative that serves as a critical intermediate in advanced organic synthesis. Its unique structure, featuring amino, hydroxy, and nitro substituents on a benzenesulfonic acid backbone, makes it a valuable precursor for the production of complex dyes, pigments, and pharmaceutical compounds. This high-purity intermediate is essential for manufacturers in the fine chemical, specialty dye, and life science research sectors seeking reliable and consistent raw materials for their processes.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing azo dyes, acid dyes, and other complex colorants, particularly for textiles and inks.
• Pharmaceutical Synthesis: Used as a precursor in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Chemical Research & Development: Serves as a versatile starting material or reagent in organic synthesis for creating novel compounds in academic and industrial R&D labs.
• Specialty Chemical Manufacturing: Employed in the production of corrosion inhibitors, complexing agents, and other performance chemicals.
• Photographic Chemicals: Can be utilized in the synthesis of certain photographic developers and sensitizers.

Basic Information

Product Name	3-Amino-4-Hydroxy-5-Nitrobenzene-1-Sulfonic Acid Hydrate
CAS No.	175278-60-1
Molecular Formula	C6H6N2O7S · xH2O
Molecular Weight	Anhydrous: 234.19 g/mol
Synonyms	5-Nitro-2-aminophenol-4-sulfonic acid hydrate; 2-Amino-4-hydroxy-5-nitrobenzenesulfonic acid hydrate; 4-Hydroxy-5-nitro-2-aminobenzenesulfonic acid; 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid; 2-Amino-1-hydroxy-4-nitro-6-sulfobenzene; 1-Amino-2-hydroxy-4-nitro-5-sulfobenzene; 4-Amino-5-hydroxy-2-nitrobenzenesulfonic acid
EINECS	Contact for details

Quality Control

Our 3-Amino-4-Hydroxy-5-Nitrobenzene-1-Sulfonic Acid Hydrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and moisture content. Our commitment to consistent quality and supply chain reliability supports your production and R&D needs.

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). This compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, 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%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in alkaline aqueous solutions

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