Description

3-Hydroxy-Sulfonyloxybenzoic Acid is a specialized organic sulfonate derivative of salicylic acid, serving as a key intermediate in advanced chemical synthesis. This compound matters for its role in introducing both sulfonate and carboxylic acid functionalities, which are critical for modifying solubility and reactivity in target molecules. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those requiring enhanced water solubility or specific ionic characteristics.
• Agrochemical Synthesis: Serves as a building block for creating modern herbicides, fungicides, and plant growth regulators with improved systemic activity.
• Dye and Pigment Manufacturing: Acts as a coupling agent or a modifying group in the production of sulfonated azo dyes and colorants.
• Polymer Modification: Employed to introduce polar sulfonate groups into polymer chains, enhancing properties like hydrophilicity and dyeability.
• Ligand and Chelating Agent Precursor: Useful in the development of specialized ligands for metal catalysis or extraction processes.
• Research and Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	3-Hydroxy-Sulfonyloxybenzoic Acid
CAS No.	76496-12-3
Molecular Formula	C7H6O6S
Molecular Weight	218.18 g/mol
Synonyms	3-(Sulfooxy)salicylic Acid; 2-Hydroxy-5-(sulfonyloxy)benzoic Acid; Benzoic acid, 2-hydroxy-5-(sulfooxy)-; 5-(Sulfooxy)salicylic Acid; 3-Hydroxy-5-sulfonyloxybenzoic Acid; Salicylic acid 5-sulfate; 5-O-Sulfo salicylic acid
EINECS	Contact for details

Quality Control

Our 3-Hydroxy-Sulfonyloxybenzoic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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