Description

1,1-Diethoxy-3-(Methylthio)Propane is a specialized organosulfur compound featuring both acetal and sulfide functional groups. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules in fine chemical and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists working in advanced organic synthesis, particularly for the construction of sulfur-containing heterocycles and as a protected aldehyde equivalent.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates containing thioether or masked carbonyl functionalities.
• Flavor & Fragrance Synthesis: Used as a precursor for creating sulfur-containing flavor compounds that contribute to meaty, roasted, or savory notes.
• Agrochemical Research: Serves as an intermediate in the development of novel pesticides and herbicides where the sulfide linkage is integral to biological activity.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers with unique chemical resistance or adhesion properties.
• Organic Synthesis Reagent: Employed as a 3-carbon homologating agent or a protected 3-thiopropanal equivalent in multi-step synthetic routes.

Basic Information

Product Name	1,1-Diethoxy-3-(Methylthio)Propane
CAS No.	16630-61-8
Molecular Formula	C8H18O2S
Molecular Weight	178.29 g/mol
Synonyms	3-(Methylthio)propionaldehyde diethyl acetal; 3-Methylmercaptopropionaldehyde diethyl acetal; MMPA Diethyl Acetal; 1,1-Diethoxy-3-methylthiopropane; 3-(Methylsulfanyl)propanal diethyl acetal; Diethyl (3-methylthiopropylidene) orthoformate; Propionaldehyde, 3-(methylthio)-, diethyl acetal
EINECS	240-706-9

Quality Control

Our 1,1-Diethoxy-3-(Methylthio)Propane is produced under strict quality management protocols. Each batch is analyzed to ensure high chemical purity and consistency, meeting the stringent requirements of research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and reliability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be kept under an inert atmosphere for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.