Description

Ethylsulfanylformaldehyde is a specialized organosulfur compound featuring a formyl group bonded to an ethylthio moiety. This unique structure makes it a valuable synthon and intermediate in advanced organic synthesis, particularly for constructing sulfur-containing heterocycles and functional materials. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and material science industries for its reactivity in nucleophilic addition and cyclization reactions.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel thioether and thiazole-based active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides that incorporate sulfur functionalities for enhanced bioactivity.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the production of specialty polymers and functional materials with specific optical or electronic properties.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new organic reactions and catalytic processes involving sulfur transfer.
• Flavor & Fragrance Chemistry: Intermediate for synthesizing complex sulfur-containing aroma compounds, where it contributes unique organoleptic characteristics.

Basic Information

Product Name	Ethylsulfanylformaldehyde
CAS No.	21071-39-6
Molecular Formula	C3H6OS
Molecular Weight	90.14 g/mol
Synonyms	Formaldehyde, (ethylthio)-; (Ethylthio)formaldehyde; Ethylthioformaldehyde; Ethyl mercaptoformaldehyde; 1-Ethylsulfanylmethanone; Thioacetaldehyde, O-ethyl derivative; 21071-39-6
EINECS	Contact for details

Quality Control

Our Ethylsulfanylformaldehyde is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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