Description

Sodium 2-Amino-5-Methoxybenzenesulphonate is a versatile aromatic sulfonate salt widely used as a key intermediate in organic synthesis. This compound is valued for its role in introducing functionalized aniline and sulfonate groups into more complex molecular structures. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty dye industries for the production of active ingredients and colorants.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing methoxy-aniline sulfonate motifs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its specific aromatic structure is incorporated.
• Dye and Pigment Manufacturing: Serves as an intermediate for azo dyes and other specialty colorants, contributing to color fastness and solubility properties.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Photographic Chemical: Can be used in the formulation of certain photographic developers and sensitizers.
• Corrosion Inhibitor Precursor: Acts as a starting material for synthesizing compounds used in industrial water treatment and metal surface protection.

Basic Information

Product Name	Sodium 2-Amino-5-Methoxybenzenesulphonate
CAS No.	19433-86-4
Molecular Formula	C7H8NNaO4S
Molecular Weight	225.20 g/mol
Synonyms	2-Amino-5-methoxybenzenesulfonic acid sodium salt; 5-Methoxy-2-aminobenzenesulfonic acid sodium salt; Sodium 5-methoxy-2-aminobenzenesulfonate; 2-Aminoanisole-5-sulfonic acid sodium salt; Aniline-2-sulfonic acid, 5-methoxy-, sodium salt; 5-Methoxyanthranilic acid sulfonate sodium salt; 4-Amino-3-methoxybenzenesulfonic acid sodium salt (alternative numbering).
EINECS	Contact for details

Quality Control

Our Sodium 2-Amino-5-Methoxybenzenesulphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics, supporting compliance with cGMP and other relevant industry standards for intermediate use.

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 after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	Contact for details
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%
Solubility (1% in Water)	Clear, colorless to faintly yellow solution

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