Description

4-(Methylthio)Benzoic Acid is a versatile sulfur-containing aromatic carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both a carboxylic acid and a methylthio group, makes it a valuable intermediate for creating compounds with tailored properties. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymes or receptors where the methylthio moiety can influence bioavailability and metabolic stability.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where it acts as a core structure for creating molecules with specific biological activity.
• Liquid Crystal & OLED Material Research: Serves as a starting material for synthesizing advanced organic semiconductors and liquid crystal compounds due to its aromaticity and modifiable functional groups.
• Polymer Modification: Employed to introduce polar and sulfur-containing groups into polymer chains, enhancing properties like adhesion, thermal stability, or chemical resistance.
• Coordination Chemistry & Ligand Design: Useful for creating chelating ligands in catalyst systems for various organic transformations.
• Fine Chemical & Flavor/Fragrance Intermediate: A building block for synthesizing complex molecules used in specialty chemicals.

Basic Information

Product Name	4-(Methylthio)Benzoic Acid
CAS No.	13205-48-6
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	p-(Methylthio)benzoic acid; 4-Methylsulfanylbenzoic acid; 4-(Methylmercapto)benzoic acid; Benzoic acid, 4-(methylthio)-; 4-Methylthiobenzoic acid; p-Methylthiobenzoic acid; 4-MTB Acid; 4-Carboxyphenyl methyl sulfide
EINECS	Contact for details

Quality Control

Our 4-(Methylthio)Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing specific batch results are available upon request, providing full traceability and quality assurance for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from 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%
Melting Point	164°C - 168°C
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%

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