Description

Sodium 5-Amino-4-Methoxy-2-Nitrobenzenesulphonate is a high-purity, water-soluble aromatic intermediate of significant commercial importance. This compound serves as a critical building block in the synthesis of complex dyes and pigments, valued for its specific reactive sites that enable precise color development. It is primarily utilized by manufacturers in the dyestuff, specialty chemical, and pharmaceutical intermediate sectors who require consistent quality and reliable supply chains for their production processes.

Application

• Primary Intermediate for Dyes & Pigments: A key precursor in the synthesis of azo dyes, acid dyes, and reactive dyes, contributing to color strength and fastness properties.
• Specialty Chemical Synthesis: Used in the manufacture of complex organic molecules for research and development purposes.
• Pharmaceutical Intermediate: Employed in the controlled synthesis of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Photographic Chemicals: Can be utilized in the production of certain light-sensitive compounds and color couplers.
• Laboratory Reagent: Serves as a standard or starting material in analytical and synthetic chemistry laboratories.

Basic Information

Product Name	Sodium 5-Amino-4-Methoxy-2-Nitrobenzenesulphonate
CAS No.	59312-73-1
Molecular Formula	C7H7N2NaO6S
Molecular Weight	270.19 g/mol
Synonyms	5-Amino-4-methoxy-2-nitrobenzenesulfonic acid sodium salt; 2-Nitro-5-amino-4-methoxybenzenesulfonic acid sodium salt; Benzenesulfonic acid, 5-amino-4-methoxy-2-nitro-, sodium salt; Sodium 5-amino-4-methoxy-2-nitrobenzenesulfonate; 4-Methoxy-5-amino-2-nitrobenzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 5-Amino-4-Methoxy-2-Nitrobenzenesulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and composition. Certificates of Analysis (COA) documenting these results are provided as standard, ensuring full traceability and compliance with your internal quality standards and regulatory 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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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