Description

3-(Mercaptomethyl)Benzoic Acid is a versatile aromatic compound featuring both a carboxylic acid and a thiol functional group, making it a valuable bifunctional building block in advanced chemical synthesis. This compound is crucial for the development of specialized polymers, pharmaceutical intermediates, and high-performance materials where precise molecular architecture is required. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for creating novel active ingredients and functional additives.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly in the development of protease inhibitors and other small-molecule therapeutics.
• Polymer Modification Agent: Used to introduce thiol and carboxylic acid functionalities into polymer chains, enhancing properties like adhesion, cross-linking density, and biocompatibility.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Ligand for Metal Complexation: Utilized in the preparation of chelating agents and catalysts for various organic transformations.
• Surface Functionalization: Applied to modify the surface chemistry of nanoparticles, silica, or metals for improved dispersion and specific interactions.
• Cross-linking Agent: Acts as a cross-linker in the formulation of epoxy resins, polyurethanes, and other thermosetting polymers.
• Bioconjugation Chemistry: Employed in the field of bioconjugation for attaching molecules to proteins, peptides, or other biomolecules via thiol-reactive chemistry.

Basic Information

Product Name	3-(Mercaptomethyl)Benzoic Acid
CAS No.	28162-88-1
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	3-(Mercaptomethyl)benzoic acid; m-(Mercaptomethyl)benzoic acid; 3-Carboxybenzyl mercaptan; Benzoic acid, 3-(mercaptomethyl)-; (3-Carboxyphenyl)methanethiol; 3-(Thiomethyl)benzoic acid; NSC 163083; 3-Mercaptomethylbenzoic acid
EINECS	Contact for details

Quality Control

Our 3-(Mercaptomethyl)Benzoic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a corresponding Certificate of Analysis (COA). We adhere to relevant industry standards and can support development projects requiring specific quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to the presence of the thiol group, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability to prevent oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.