Description

3,4-Dimethylthiophenol CAS NO 18800-53-8 is a specialized organosulfur compound featuring a thiophenol core substituted with two methyl groups. This chemical serves as a versatile building block and intermediate in advanced organic synthesis, valued for its unique reactivity profile. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfur-based heterocycles or thioether linkages.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides where the thiophenol moiety contributes to biological activity.
• Ligand and Catalyst Preparation: Acts as a precursor for metal-complexing ligands in homogeneous catalysis and material science applications.
• Polymer and Resin Modification: Employed as a chain transfer agent or functional monomer to introduce sulfur-containing groups into polymers, affecting properties like adhesion and thermal stability.
• Organic Synthesis Building Block: Utilized in various name reactions for constructing complex molecules in research and fine chemical production.
• Flavor and Fragrance Industry: Intermediate for synthesizing certain sulfur-containing aroma compounds, subject to purity and regulatory compliance.

Basic Information

Product Name	3,4-Dimethylthiophenol
CAS No.	18800-53-8
Molecular Formula	C8H10S
Molecular Weight	138.23 g/mol
Synonyms	3,4-Dimethylbenzenethiol; 3,4-Dimethylphenyl mercaptan; 3,4-Xylenethiol; 3,4-Dimethylthiophenol; 1,2-Dimethyl-4-mercaptobenzene; 4-Mercapto-1,2-dimethylbenzene; Thio-3,4-xylenol
EINECS	242-598-1

Quality Control

Our 3,4-Dimethylthiophenol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, open flames, and strong oxidizing agents. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	≤ 2.0% total

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