2-Butene-1,4-diol, known by its CAS number 110-64-5, is a chemical compound that demands careful consideration regarding its properties and safe handling. As a colorless to pale yellow oily liquid, its physical state and characteristics are crucial for its application in various chemical processes and product formulations. Understanding these properties ensures optimal usage and safety in both laboratory research and industrial manufacturing environments.

The chemical structure of 2-Butene-1,4-diol, featuring two hydroxyl groups and a double bond, dictates its reactivity and potential applications. Its diol nature means it can readily engage in reactions like esterification and etherification, making it a valuable intermediate in the synthesis of larger molecules, including polymers like polyesters and polyurethanes. The presence of the double bond also offers a site for further chemical modifications, adding to its versatility as a building block in organic chemistry.

When considering its physical properties, 2-Butene-1,4-diol typically presents as a liquid. Sources indicate a melting point around 4-10 °C, suggesting it remains liquid under most ambient laboratory and industrial conditions. Its boiling point is relatively high, around 235 °C, and its density is approximately 1.07 g/mL at 25 °C. These properties are important for process design, such as distillation and storage. Furthermore, its solubility in water and common organic solvents like ethanol and acetone, while being sparingly soluble in benzene, influences its use in different reaction media and purification processes.

Safety and proper handling are paramount when working with any chemical substance, and 2-Butene-1,4-diol is no exception. While its inhalation toxicity is considered low due to its low vapor pressure, it is known to be harmful if swallowed and can cause skin and eye irritation. Therefore, appropriate personal protective equipment, such as gloves, eye protection, and lab coats, should always be used. Storage recommendations typically include keeping the material in a cool, dry, and well-ventilated area, away from incompatible substances, often at temperatures around 2-8°C, as indicated by some suppliers.

Reliable sourcing of chemicals like 2-Butene-1,4-diol is essential for consistent research and production. Information regarding its purity, such as exceeding 99%, is critical for researchers aiming for precise synthesis. For industrial users, understanding its packaging options, from smaller laboratory quantities to bulk industrial drums, ensures suitability for their scale of operation. Companies specializing in chemical supply often provide detailed safety data sheets (SDS) and certificates of analysis (COA) to support safe and effective product utilization.

In conclusion, a thorough understanding of 2-Butene-1,4-diol's chemical structure, physical properties, and safety requirements is fundamental for its effective and responsible use. Whether employed in intricate research syntheses or large-scale industrial applications, its versatile nature makes it a valuable compound in the chemical landscape.