Description

Diethyl [2-(Phenylthio)Ethyl]Malonate is a specialized organic sulfur compound and a key malonate ester derivative. This chemical serves as a versatile and high-value building block in advanced organic synthesis, enabling the introduction of functionalized alkylthioether chains. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the construction of complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing sulfur-based functional groups or malonate-derived moieties.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides where the phenylthioethyl side chain imparts specific biological activity.
• Organic Synthesis Building Block: Employed in Michael additions, alkylation reactions, and cyclization processes to construct complex heterocycles and carbon skeletons.
• Material Science Research: Acts as a monomer or modifier in the development of specialty polymers and functional materials with tailored properties.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of certain sulfur-containing aroma compounds, subject to purity and regulatory compliance.

Basic Information

Product Name	Diethyl [2-(Phenylthio)Ethyl]Malonate
CAS No.	1558-97-0
Molecular Formula	C₁₅H₂₀O₄S
Molecular Weight	296.38 g/mol
Synonyms	Diethyl (2-phenylethylsulfanyl)malonate; Diethyl (2-(phenylthio)ethyl)propanedioate; Diethyl (phenethylthio)malonate; Propanedioic acid, 2-(2-(phenylthio)ethyl)-, diethyl ester; Malonic acid, (2-(phenylthio)ethyl)-, diethyl ester; Ethyl [2-(phenylthio)ethyl]malonate; 1558-97-0; NSC 404088
EINECS	Contact for details

Quality Control

Our Diethyl [2-(Phenylthio)Ethyl]Malonate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by GC/HPLC), identity (by IR/NMR), and impurity profiles are provided and available upon request to support your quality assurance protocols.

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 bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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