Description

2-Hydroxy-5-(Methylsulfonyl)Benzoic Acid is a high-purity, functionalized benzoic acid derivative characterized by its sulfonyl and phenolic hydroxyl groups. This compound serves as a versatile and critical chemical intermediate in the synthesis of more complex molecules, particularly in advanced pharmaceutical and agrochemical applications. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting inflammation, metabolic disorders, and central nervous system (CNS) diseases.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, leveraging its bioactive sulfonyl moiety.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing specialized azo dyes and high-performance pigments due to its reactive hydroxyl and carboxylic acid groups.
• Polymer Chemistry: Acts as a monomer or functional additive for creating specialty polymers with enhanced thermal stability, adhesion, or solubility properties.
• Liquid Crystal & OLED Materials: Employed in the research and development of electronic display materials and organic light-emitting diodes (OLEDs).
• Chemical Research & Development: A valuable reagent for academic and industrial research in organic synthesis and medicinal chemistry.

Basic Information

Item	Details
Product Name	2-Hydroxy-5-(Methylsulfonyl)Benzoic Acid
CAS No.	68029-77-6
Molecular Formula	C8H8O5S
Molecular Weight	216.21 g/mol
Synonyms	5-(Methylsulfonyl)salicylic acid; 5-Methanesulfonylsalicylic Acid; Benzoic acid, 2-hydroxy-5-(methylsulfonyl)-; 2-Hydroxy-5-methanesulfonylbenzoic acid; 5-Mesylsalicylic Acid; HMS; 5-Methylsulfonyl-2-hydroxybenzoic acid
EINECS	Contact for details

Quality Control

Our 2-Hydroxy-5-(Methylsulfonyl)Benzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment and are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
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.