Tetrahydrothiophen-3-one (CAS 1003-04-9) is a fascinating chemical compound that plays a significant role in the flavor and fragrance industries. Understanding its properties, along with proper safety considerations, is key to its effective utilization. This sulfur-containing heterocyclic molecule offers a unique aromatic profile, making it a valuable intermediate for creating complex sensory experiences.

Physically, Tetrahydrothiophen-3-one is described as a colorless to yellow to red liquid. Its density is around 1.2 g/cm³, and it possesses a boiling point of approximately 175.2 °C at standard atmospheric pressure. The flash point is reported at 77.2 °C, indicating that it requires careful handling and storage away from ignition sources. With a high assay typically exceeding 99.0%, it is a pure compound suitable for demanding applications where precise chemical composition is critical.

In terms of safety, Tetrahydrothiophen-3-one is classified as an irritant to the eyes, respiratory system, and skin. Therefore, appropriate personal protective equipment (PPE), such as gloves, eye protection, and adequate ventilation, is essential when handling this chemical. Storage recommendations usually involve keeping it in a cool, well-ventilated place in tightly sealed containers. Companies that manufacture or supply Tetrahydrothiophen-3-one often provide detailed Safety Data Sheets (SDS) that outline comprehensive handling, storage, and emergency procedures, ensuring user safety.

The applications of Tetrahydrothiophen-3-one are primarily concentrated in the flavor and fragrance sectors. Its distinctive aroma, often described as meaty, alliaceous, or buttery, makes it a popular choice for enhancing the taste of various food products, including savory items, coffee, and baked goods. In perfumery, it contributes to complex scent profiles, adding unique notes to fragrances. Its role as a versatile intermediate allows chemists to synthesize a wide range of derivatives, further expanding its utility. Businesses seeking to purchase Tetrahydrothiophen-3-one can rely on reputable China-based manufacturers for consistent quality and reliable supply.