Description

2-[(3-Sulfophenyl)Amino]Benzoic Acid is a specialized organic intermediate featuring a sulfonated aromatic structure, which imparts valuable properties for advanced synthesis. This compound is critical for manufacturers requiring precise molecular architecture to develop high-performance dyes, pigments, and functional materials. It serves the needs of the fine chemical, pharmaceutical intermediate, and specialty dye industries where controlled sulfonation and amination reactions are paramount.

Application

• Key Intermediate for Azo Dyes and Pigments: Serves as a crucial building block in the synthesis of sulfonated azo dyes, which are known for their excellent water solubility and color fastness, used in textiles, inks, and coatings.
• Pharmaceutical Synthesis: Utilized in the research and development of active pharmaceutical ingredients (APIs), particularly those requiring a benzenesulfonic acid derivative moiety for enhanced bioavailability or specific targeting.
• Functional Material Precursor: Acts as a monomer or modifying agent in the production of specialty polymers, ion-exchange resins, and materials with specific optical or electronic properties.
• Research & Development Chemical: Employed in academic and industrial laboratories for organic synthesis projects, method development, and exploring new chemical entities.
• Corrosion Inhibitor Formulation: Its molecular structure can contribute to formulations designed to protect metal surfaces in industrial processes.
• Liquid Crystal and OLED Material Development: Investigated for use in the synthesis of advanced electronic display components due to its aromatic and polar characteristics.

Basic Information

Product Name	2-[(3-Sulfophenyl)Amino]Benzoic Acid
CAS No.	27696-27-1
Molecular Formula	C13H11NO5S
Molecular Weight	293.30 g/mol
Synonyms	2-[(3-Sulfophenyl)amino]benzoic acid; Benzoic acid, 2-[(3-sulfophenyl)amino]-; 2-(3-Sulfoanilino)benzoic acid; 2-(3-Sulfanilyl)benzoic acid; 3'-Sulfo-2-aminodiphenylamine-2-carboxylic acid; 2-Aminobenzoic acid, N-(3-sulfophenyl)-; (2-Carboxyphenyl)(3-sulfophenyl)amine; N-(3-Sulfophenyl)anthranilic acid
EINECS	Contact for details

Quality Control

Our production of 2-[(3-Sulfophenyl)Amino]Benzoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including purity assay and impurity profiling, to meet exacting customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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