Overview
2-Ethoxyethanol, commonly referred to as ethylene glycol monoethyl ether (EGEE), is a clear, colorless liquid with a mild odor. It is a member of the glycol ether family, known for its effectiveness as a solvent in various industrial applications. The compound is produced through the reaction of ethylene oxide with ethanol, resulting in a versatile chemical with balanced solvent properties. Due to its ability to dissolve both polar and non-polar substances, 2-ethoxyethanol is widely used in formulations requiring a medium-boiling solvent. It is particularly valued in industries where controlled evaporation rates are necessary, such as in coatings and printing inks. The chemical's miscibility with water and organic solvents makes it a flexible component in many formulations.
Physical and Chemical Properties
2-Ethoxyethanol exhibits several notable physical and chemical properties that contribute to its industrial utility. With a molecular weight of 90.12 g/mol and a density of 0.93 g/cm³, it is a relatively lightweight solvent. The compound has a boiling point of 135°C and a melting point of -70°C, making it suitable for applications requiring moderate thermal stability. Chemically, 2-ethoxyethanol is hygroscopic, meaning it readily absorbs moisture from the environment. This property must be considered during storage and handling to prevent degradation of product quality. The substance is also known for its moderate volatility and excellent solvency power, which allows it to effectively dissolve resins, oils, and other organic compounds. These characteristics make it particularly useful in paint thinners and surface cleaners.
Main Applications
The primary application of 2-ethoxyethanol is as an industrial solvent in various formulations. It is extensively used in the production of paints, varnishes, and coatings, where it helps maintain proper viscosity and drying characteristics. The chemical's ability to dissolve nitrocellulose and other resins makes it valuable in lacquer formulations. In addition to coatings, 2-ethoxyethanol finds use in printing inks, particularly those for flexographic and gravure printing processes. The cleaning industry utilizes it as a component in heavy-duty degreasers and industrial cleaners. Other applications include its use as a coupling agent in hydraulic fluids and as an intermediate in chemical synthesis. The electronics industry sometimes employs it in photoresist developers for printed circuit board manufacturing.
Safety and Storage
Proper handling and storage of 2-ethoxyethanol are crucial due to its potential health hazards. The substance can be harmful if inhaled, ingested, or absorbed through the skin, with potential effects on the blood, kidneys, and nervous system. Adequate ventilation and personal protective equipment (PPE) including gloves and eye protection are essential when working with this chemical. Storage should be in tightly sealed containers made of compatible materials (such as stainless steel or polyethylene) in cool, well-ventilated areas away from heat sources and oxidizing agents. The chemical is flammable, with a flash point of 44°C, requiring appropriate fire prevention measures. Spills should be contained and cleaned promptly using absorbent materials, with proper disposal according to local regulations. Regular monitoring of workplace exposure levels is recommended to ensure compliance with occupational safety standards.
B2B Procurement Guide
When procuring 2-ethoxyethanol for industrial use, several factors should be considered to ensure quality and compliance. First, verify the required purity grade for your specific application, as technical and reagent grades are commonly available. Reputable suppliers should provide certificates of analysis and material safety data sheets (MSDS). Evaluate suppliers based on their production capabilities, quality control measures, and compliance with international standards such as ISO certification. Consider transportation and storage requirements, as bulk shipments may require specialized containers. For reference, current market prices range approximately $2-5 per kilogram, with volume discounts available for large orders. Establish clear specifications regarding water content, purity levels, and packaging requirements to ensure consistency in your production processes.
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