In the realm of chemical synthesis, understanding the detailed properties and applications of core intermediates is vital for efficient process development and innovation. 3,4-Dihydro-2H-pyran, identified by CAS number 110-87-2, is a compound that offers significant utility due to its unique chemical structure and reactivity. As a supplier committed to providing high-quality chemicals, we present an overview of this important molecule and its broad application spectrum.

Chemical Properties and Reactivity
3,4-Dihydro-2H-pyran is a cyclic vinyl ether, appearing as a colorless liquid. Its molecular formula is C5H8O, with a molecular weight of 84.12 g/mol. Key physical characteristics include a boiling point of 86°C, a density of 0.922 g/mL at 25°C, and a low flash point of 4°F, marking it as a flammable substance. Its chemical reactivity is primarily attributed to the presence of the vinyl ether moiety, which readily undergoes electrophilic addition reactions. This makes it an excellent substrate for reactions involving acids, halogens, and other electrophiles. Critically, it is widely used to form tetrahydropyranyl (THP) ethers by reacting with alcohols under acidic catalysis, providing a stable and easily removable protecting group for hydroxyl functionalities.

Diverse Applications in Industry
The versatility of 3,4-Dihydro-2H-pyran makes it indispensable across several industries. In organic synthesis, it is a cornerstone for protecting alcohols, which is crucial for the development of complex molecules such as pharmaceuticals and agrochemicals. Its application as a hydroxyl-protecting agent simplifies multi-step syntheses by preventing unwanted reactions at hydroxyl sites. Furthermore, its ability to participate in polymerization reactions, either homopolymerization or copolymerization with other monomers, opens up possibilities in materials science for developing specialized polymers. For companies looking to source this chemical, reliable manufacturers and suppliers in China offer competitive pricing and assured quality for bulk purchases.

Procurement and Support
When you need to buy 3,4-Dihydro-2H-pyran, selecting a supplier with a proven track record is essential. We, as a dedicated manufacturer and supplier, ensure that our 3,4-Dihydro-2H-pyran meets high purity standards required for sensitive applications. Our commitment extends to providing comprehensive technical support and flexible procurement options to meet the diverse needs of our B2B clientele. We invite researchers and procurement managers to contact us to discuss their specific requirements, obtain quotes, and secure a consistent supply of this vital chemical intermediate. Leverage our expertise to enhance your chemical processes.