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Description
TCI E0176 Ethyl Sulfide, also known as diethyl sulfide, is a simple aliphatic thioether consisting of two ethyl groups bonded to a single sulfur atom. This compound is an organic liquid that plays an important role in the laboratory as a source of divalent sulfur, as a soft ligand for transition metals, and at the same time as a model compound in the study of sulfur chemistry. The simplicity of its structure makes it a highly useful reference point whenever researchers need to understand the behaviour of carbon–sulfur bonding without interference from other, more complicated functional groups.
The property that leads researchers to select this material is the ability of the sulfur atom to donate its lone pair of electrons to soft metal centres such as gold, platinum, palladium, and copper, forming complexes that are stable and yet retain a ligand that remains easily displaced at a subsequent stage. This character is highly valued in inorganic synthesis, because thioether complexes are frequently employed as intermediate precursors. In addition, the sulfur atom is readily oxidised in stepwise fashion to the sulfoxide and then to the sulfone, which makes this compound an ideal test substrate for assessing the selectivity of an oxidation system.
As a volatile liquid with a pronounced odour, ethyl sulfide is typically handled in Indonesian laboratories inside a functioning fume hood, in the context of inorganic and organometallic synthesis work, coordination chemistry teaching practicals, and methodological studies of sulfur oxidation. University research groups and industrial laboratories generally order it in small pack sizes appropriate to bench-scale reaction work, because only modest volumes are consumed per experiment.
Laboratory Applications
- Soft ligand for transition metal complexes: the sulfur lone pair coordinates readily to gold, platinum, palladium, and copper centres, giving stable complexes whose thioether ligand can still be displaced later.
- Intermediate precursor in inorganic synthesis: thioether complexes formed from this compound serve as convenient handles for introducing a metal centre before substitution with the final target ligand.
- Test substrate for oxidation selectivity: because its sulfur oxidises stepwise to the sulfoxide and then the sulfone, it lets chemists measure how selectively an oxidant stops at each stage.
- Source of divalent sulfur in organic synthesis: the simple dialkyl thioether framework supplies sulfur in its divalent oxidation state for reactions requiring an uncomplicated sulfur donor.
- Model compound for carbon–sulfur bond studies: its minimal structure allows the behaviour of the C–S bond to be examined without interference from additional or competing functional groups.
Specifications
- Brand: TCI (Tokyo Chemical Industry)
- CAS number: 352-93-2
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Physical form: organic liquid, volatile, with a pronounced odour
- Pack sizes: supplied in small laboratory pack sizes suited to bench-scale synthetic work; please confirm the currently available packaging options when ordering
- Storage: keep tightly closed in a cool, well-ventilated place away from oxidising agents and ignition sources
Handling and Storage
Store this material in a cool, well-ventilated area, in its original tightly closed container, and keep it clearly separated from oxidising agents and any source of ignition, since the compound is a volatile organic liquid. Suitable containers are the tightly sealed glass bottles in which the product is supplied, kept upright inside a chemical cabinet designated for flammable organic solvents. All transfers, weighing, and reaction set-up should be carried out inside a functioning fume hood, because the pronounced odour becomes noticeable even at low concentrations in air. Laboratory personnel should wear safety glasses, chemically resistant gloves, and a laboratory coat, close the container immediately after use to limit evaporation, and collect any residues as organic sulfur waste rather than discharging them to the sink. Always consult the manufacturer's safety data sheet before first use.
