Description

4-(Sulfoamino)Benzoic Acid is a specialized aromatic sulfonamide derivative that serves as a valuable multifunctional intermediate in advanced chemical synthesis. Its unique structure, combining a benzoic acid core with a sulfonamide group, makes it a critical building block for creating compounds with tailored properties. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs and diagnostic agents.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators that require specific sulfonamide functionalities.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing azo dyes and other colorants where the sulfonamide group improves solubility and fastness properties.
• Polymer Modification: Employed to introduce polar, functional groups into polymer chains, enhancing characteristics like hydrophilicity or ionic conductivity.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry and material science research for structure-activity relationship (SAR) studies.
• Liquid Crystal and Electronic Material Production: Potential building block for advanced materials due to its rigid aromatic structure and polar substituents.

Basic Information

Product Name	4-(Sulfoamino)Benzoic Acid
CAS No.	71195-74-9
Molecular Formula	C7H7NO5S
Molecular Weight	217.20 g/mol
Synonyms	4-Sulfamoylbenzoic Acid; p-Sulfamoylbenzoic Acid; Benzoic acid, 4-(aminosulfonyl)-; 4-Carboxybenzenesulfonamide; NSC 163082; 4-Sulfonamidobenzoic Acid; p-Carboxybenzenesulfonamide; 4-(Aminosulfonyl)benzoic Acid
EINECS	Contact for details

Quality Control

Our production of 4-(Sulfoamino)Benzoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and elemental analysis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment. We operate under a cGMP-compliant quality system, and our facilities are subject to regular audits to maintain the highest standards for industrial and research-grade chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture absorption. Store away from incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in alkaline aqueous solutions; slightly soluble in water

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