Overview
Ethanol, commonly referred to as alcohol, is a versatile organic compound with the molecular formula C2H5OH. It is a clear, colorless liquid with a characteristic odor and is widely used across multiple industries, including pharmaceuticals, food and beverage, and chemical manufacturing. Ethanol is produced through fermentation of sugars or via synthetic processes like ethylene hydration. Its antiseptic properties make it a staple in medical and sanitation applications, while its solvency is valuable in laboratories and industrial processes. As a biofuel, ethanol serves as a renewable energy source, reducing reliance on fossil fuels.
Physical and Chemical Properties
Ethanol is a polar solvent, miscible with water and many organic compounds. It has a boiling point of 78.37°C and a melting point of -114.1°C, making it suitable for use in various temperature ranges. Its density of 0.789 g/cm³ is lower than water, allowing it to float on aqueous solutions. The compound is highly flammable, with a flashpoint of 13°C, necessitating careful handling. Ethanol’s hydroxyl group enables hydrogen bonding, contributing to its solubility and reactivity. It can form azeotropes with water, complicating distillation processes for high-purity production.
Main Applications
In the medical field, ethanol is a key ingredient in hand sanitizers and antiseptic wipes due to its ability to denature proteins and kill microorganisms. It is also used as a solvent in pharmaceuticals, aiding in drug formulation. Industrially, ethanol serves as a solvent for paints, inks, and resins. In the food and beverage sector, it is the active component in alcoholic drinks. Additionally, ethanol is a renewable fuel additive, blended with gasoline to reduce emissions. Its versatility extends to household products like cleaning agents and cosmetics.
Safety and Storage
Ethanol must be stored in tightly sealed containers to prevent evaporation and absorption of moisture. It should be kept away from heat sources, sparks, and open flames due to its flammability. Proper ventilation is essential to avoid vapor accumulation, which can lead to explosive atmospheres. Personal protective equipment (PPE), such as gloves and goggles, should be worn when handling concentrated ethanol to prevent skin and eye irritation. In case of spills, absorb with inert materials and dispose of according to local regulations.
B2B Procurement Guide
When procuring ethanol, buyers should specify the required purity grade—such as industrial (95%), absolute (99.5%), or denatured (with additives to prevent consumption). Bulk purchases often offer cost savings, but storage capacity and shelf life must be considered. Suppliers should provide certificates of analysis (CoA) to verify purity and compliance with industry standards. Transportation requires hazardous material certification, and buyers must ensure their facilities meet safety regulations for ethanol storage and handling.
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