Description

4-Ethylthioanisole is a versatile sulfur-containing aromatic compound with a distinct molecular structure that makes it a valuable intermediate in advanced organic synthesis. Its primary commercial value lies in its role as a key building block for the development of pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable and consistent raw materials for complex syntheses.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thioether and aryl-alkyl ether functionalities.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides where the ethylthioanisole moiety contributes to biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and asymmetric synthesis.
• Material Science Research: Employed in the development of organic electronic materials, liquid crystals, and polymers due to its aromatic and sulfur-based properties.
• Fragrance and Flavor Chemistry: Acts as an intermediate for synthesizing specific sulfur-containing aroma compounds, though typically in high-purity grades.
• Organic Synthesis Building Block: Utilized in various name reactions and functional group transformations to introduce protected or modified thioether groups into target molecules.

Basic Information

Product Name	4-Ethylthioanisole
CAS No.	31218-75-4
Molecular Formula	C9H12S
Molecular Weight	152.26 g/mol
Synonyms	1-Ethyl-4-(methylthio)benzene; p-Ethylthioanisole; 4-(Methylthio)ethylbenzene; 4-Ethylphenyl methyl sulfide; 1-Methylthio-4-ethylbenzene; 4-Methylsulfonylethylbenzene (oxidized form); p-(Ethyl)thioanisole
EINECS	Contact for details

Quality Control

Our 4-Ethylthioanisole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can provide material suitable for various application grades upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and compatible with strong acid/organic solvent. Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere such as nitrogen or argon to prevent oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Total impurities ≤ 2.0%
Residue on Ignition	≤ 0.1%

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