Description

Sodium o-Aminobenzenesulfonate is a key organic intermediate and dye precursor with the CAS registry number 13846-13-4. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly azo dyes and pigments. It is essential for manufacturers in the dyestuff, pharmaceutical, and agrochemical industries who require high-purity aromatic sulfonates for specialized synthesis.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a crucial diazo component in the production of acid dyes, direct dyes, and reactive dyes for textiles, leather, and paper.
• Pharmaceutical Intermediate: Used in the synthesis of sulfa drugs and other active pharmaceutical ingredients (APIs) that contain benzenesulfonate moieties.
• Agrochemical Synthesis: Acts as a building block for manufacturing certain herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Employed in organic synthesis laboratories for developing new compounds and conducting structure-activity relationship (SAR) studies.
• Corrosion Inhibitor Formulation: Can be utilized as a component in specialty chemical formulations designed to prevent metal corrosion.

Basic Information

Product Name	Sodium o-Aminobenzenesulfonate
CAS No.	13846-13-4
Molecular Formula	C6H6NNaO3S
Molecular Weight	195.17 g/mol
Synonyms	2-Aminobenzenesulfonic Acid Sodium Salt; Sodium 2-Aminobenzenesulfonate; o-Anilinesulfonic Acid Sodium Salt; Sodium Anthranilate-3-sulfonate; 2-Amino-1-sulfobenzoic Acid Sodium Salt Derivative; Orthanilic Acid Sodium Salt; Sodium Orthanilate
EINECS	237-581-9

Quality Control

Our Sodium o-Aminobenzenesulfonate is manufactured under a strict quality management system. Each batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistency and support your quality assurance protocols.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.2%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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