Overview
Ethylene Glycol Monomethyl Ether (EGME) is a colorless, low-volatility liquid with a mild odor. It is widely used as an industrial solvent due to its excellent solubility in water and organic compounds. EGME is a key ingredient in the formulation of paints, coatings, and inks, where it acts as a coalescing agent and solvent. Its ability to dissolve a variety of substances makes it valuable in chemical manufacturing and laboratory applications. EGME is also known by its common name, Methyl Cellosolve, and is often utilized in the production of dyes, resins, and cleaning agents. Despite its industrial utility, EGME requires careful handling due to its toxicity, particularly in terms of inhalation and skin absorption.
Physical and Chemical Properties
EGME exhibits a boiling point of 124-125°C and a melting point of -85°C, making it stable under a range of temperatures. Its density of 0.965 g/cm³ and miscibility with water and organic solvents like alcohol and ether contribute to its versatility. The compound's low volatility ensures it remains effective in applications requiring prolonged solvent action. Chemically, EGME is classified as a glycol ether, a group of solvents known for their ability to dissolve both polar and non-polar substances. This dual solubility is particularly useful in formulations where uniformity and stability are critical, such as in coatings and adhesives.
Main Applications
EGME is predominantly used in the paints and coatings industry, where it serves as a solvent for resins and dyes. Its ability to improve film formation and drying times makes it a preferred choice in water-based and solvent-based coatings. Additionally, EGME is employed in the production of printing inks, ensuring consistent viscosity and color dispersion. Beyond coatings, EGME finds applications in industrial cleaning solutions, where it effectively removes oils, greases, and other contaminants. It is also used in the semiconductor industry for photoresist development and in laboratories as a solvent for chemical reactions and extractions.
Safety and Storage
Due to its toxicity, EGME requires strict safety measures during handling and storage. Exposure can occur through inhalation, skin contact, or ingestion, leading to potential health risks such as central nervous system depression and reproductive harm. Proper personal protective equipment (PPE), including gloves and respirators, is essential when working with EGME. Storage should be in a cool, dry, well-ventilated area, away from ignition sources and incompatible materials like strong oxidizers. Containers must be tightly sealed to prevent evaporation and contamination. Spills should be contained and cleaned up immediately using absorbent materials, and disposed of in accordance with local regulations.
B2B Procurement Guide
When procuring EGME, buyers should prioritize suppliers with robust quality control measures and certifications such as ISO or REACH compliance. Key considerations include purity levels (typically 99% or higher), packaging options (drums, IBCs, or bulk), and transportation logistics to ensure safe delivery. Pricing can vary based on market demand and raw material costs, with reference prices ranging from $2.50 to $4.00 per kg. Buyers are advised to request samples for testing and verify supplier reliability through references or third-party audits. Long-term contracts may offer cost savings and supply stability.
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