Description

Sodium 2-Aminosulphanilate is the sodium salt derivative of 2-aminobenzenesulfonic acid, a key aromatic sulfonate intermediate. This compound is valued for its role as a versatile building block in the synthesis of more complex organic molecules, particularly dyes and pigments. It is essential for manufacturers in the chemical, pharmaceutical, and specialty materials sectors seeking reliable, high-purity intermediates for their production processes.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes, acid dyes, and other colorants.
• Pharmaceutical Synthesis: Serves as a building block for active pharmaceutical ingredients (APIs) and sulfonamide-based compounds.
• Chemical Research & Development: Used in laboratories for method development and the creation of novel sulfonated compounds.
• Specialty Chemical Production: Employed in the manufacture of surfactants, corrosion inhibitors, and other functional chemicals.

Basic Information

Product Name	Sodium 2-Aminosulphanilate
CAS No.	3177-22-8
Molecular Formula	C6H7NNaO3S
Molecular Weight	196.18 g/mol
Synonyms	2-Aminobenzenesulfonic Acid Sodium Salt; Sodium 2-Aminobenzenesulfonate; Sodium o-Aminobenzenesulfonate; 2-Sulfoaniline Sodium Salt; o-Sulfoaniline Sodium Salt; Aniline-2-sulfonic Acid Sodium Salt; 2-Amino-1-sulfobenzene Sodium Salt
EINECS	221-656-7

Quality Control

Our Sodium 2-Aminosulphanilate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every 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 handling.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.