Understanding the intrinsic properties of chemical compounds is fundamental for their effective application in research and industry. 5-Ethylidene-2-norbornene, identified by its CAS number 16219-75-3, is a notable example of an intermediate with a distinct chemical profile that dictates its utility in fields such as diagnostics and specialty manufacturing. As a leading supplier, we provide detailed insights into this compound.

Chemically, 5-Ethylidene-2-norbornene is a bicyclic alkene, featuring a norbornene core with an ethylidene substituent. Its molecular formula is C9H12, and it has a molecular weight of approximately 120.19 g/mol. Typically supplied with a purity of 98% or higher, it often appears as a clear, colorless to pale yellow liquid. Key physical characteristics, crucial for handling and process design, include a boiling point around 146-147°C and a flash point of approximately 38-101°F (depending on the source and measurement method). Its density is around 0.893-0.90 g/mL at 25°C.

The compound’s reactivity makes it valuable. It is known to react with hydrogen chloride to form fluorescent derivatives, a property being explored for sensitive detection methods in environmental monitoring and medical diagnostics. This characteristic highlights its potential as a critical precursor for specialized diagnostic reagents. For procurement professionals and researchers involved in developing these applications, sourcing from a reliable manufacturer in China ensures access to this high-purity intermediate at competitive prices.

Furthermore, its structure makes it a useful monomer or co-monomer in polymerization reactions, contributing to the development of advanced materials, and a valuable building block in multi-step organic synthesis. The availability of consistent quality from a chemical supplier is essential for reproducible research and large-scale production runs.

When considering the purchase of 5-Ethylidene-2-norbornene, buyers should always review the provided specifications, including purity, appearance, and safety data (MSDS). Engaging with manufacturers for detailed product information and quotes is recommended to ensure the material meets the exact requirements for applications in cosmetics, pharmaceuticals, or other industrial processes. We are committed to providing detailed product information to facilitate informed purchasing decisions for our clients.