Methylthioethane, scientifically known as Ethyl methyl sulfide (EMS) and bearing the CAS number 624-89-5, is an organosulfur compound with a distinctive set of physical and chemical properties that dictate its industrial applications. NINGBO INNO PHARMCHEM CO.,LTD. emphasizes the importance of understanding these characteristics, alongside its safety profile, for responsible handling and effective utilization.

Physically, Methylthioethane is described as a clear, colorless to light yellow liquid. Its odor is notably sulfurous, often compared to cabbage, garlic, or tomato, and it has a low odor threshold, making it detectable even at very low concentrations. This characteristic is leveraged in its use as a natural gas odorant for safety purposes. The compound is described as miscible with alcohols and oils but immiscible with water. Key physical properties include a boiling point typically around 66-67 °C and a density of approximately 0.842 g/mL at 25 °C. Its flash point is quite low, around 5 °F, classifying it as a flammable liquid.

Chemically, Methylthioethane (C3H8S) is a thioether. Its reactivity and decomposition products are of interest in various contexts, including atmospheric chemistry and combustion processes. The information provided by sources like Chemicalbook and Fisher Scientific details its molecular weight (76.16 g/mol) and provides spectroscopic data such as NMR and IR spectra, which are crucial for quality control and research.

From a safety perspective, Methylthioethane is classified as a highly flammable liquid (Hazard Code F, Risk Statement R11). It can also be irritating to the skin and eyes. Standard precautionary statements (P210-P233-P303+P361+P353-P370+P378-P403+P235-P501) guide its safe handling, emphasizing keeping it away from ignition sources, ensuring adequate ventilation, and wearing appropriate personal protective equipment (PPE) such as gloves and eye protection. The GHS classification, while not always detailed in summary, often points to flammability and potential irritation.

The industrial applications of Methylthioethane stem directly from these properties. Its role as an odorant in natural gas is a prime example of its sensory utility. Furthermore, its ability to act as a corrosion inhibitor for zinc is valuable in metal protection industries. The compound is also listed as a flavoring agent, contributing specific savory notes to food products, where understanding its precise Ethyl methyl sulfide odor threshold is critical for effective formulation.

When sourcing Methylthioethane, whether for industrial processes, research, or as a flavor ingredient, understanding these properties and safety guidelines is essential. NINGBO INNO PHARMCHEM CO.,LTD. advocates for informed purchasing decisions, encouraging users to consult detailed Material Safety Data Sheets (MSDS) and supplier specifications. Exploring various Methylthioethane suppliers and their product information, including data from Chemicalbook Methylthioethane entries, ensures that users select the appropriate grade and handle the substance safely.

In conclusion, Methylthioethane is a chemical with significant industrial relevance, driven by its unique physical and chemical characteristics. A thorough understanding of its properties and safety precautions, as provided by reliable sources and suppliers like NINGBO INNO PHARMCHEM CO.,LTD., is fundamental for its successful and safe application.