Ethylene Glycol (EG), with the chemical formula (CH2OH)2 and CAS No. 107-21-1, stands as a fundamental and indispensable chemical in numerous industrial applications. As the simplest diol, it presents as a colorless, odorless liquid known for its slightly sweet taste and relatively low toxicity. Its high solubility in water and acetone, combined with its unique physical properties, makes it a versatile compound essential for various manufacturing processes.

One of the most significant industrial uses of Ethylene Glycol is its role as a key raw material in the production of polyester polymers. This includes the synthesis of Polyethylene Terephthalate (PET), a widely used plastic for beverage bottles, packaging films, and textiles. EG's diol structure is crucial for the esterification and polymerization reactions that form the long chains of polyester molecules. The quality and purity of Ethylene Glycol directly impact the performance and characteristics of the resulting polyester products, especially for applications requiring high strength and clarity, such as fiber-grade PET used in synthetic textiles and yarns.

Beyond polymer synthesis, Ethylene Glycol is renowned for its extensive application in the formulation of antifreeze and coolants. Its ability to significantly lower the freezing point of water makes it an ideal component for automotive cooling systems, preventing engine damage in cold climates. Furthermore, it acts as an efficient heat transfer fluid in industrial cooling and heating systems, ensuring optimal operational temperatures and preventing equipment malfunction. This property also finds use in de-icing applications for aircraft and runways.

The versatility of Ethylene Glycol extends to its function as a solvent. It is widely used to dissolve dyes, inks, and various organic compounds, making it a valuable component in the printing and chemical industries. As a humectant, it helps materials like cellophane, fibers, leather, and adhesives retain moisture, improving their flexibility and preventing them from drying out. EG also serves as an intermediate in the synthesis of other important chemicals, including glyoxal, alkyd resins, surfactants, and plasticizers, further highlighting its foundational role in the chemical industry.

Understanding the physical and chemical properties of Ethylene Glycol is crucial for its effective application. Industrial grade EG typically boasts a purity of ≥99.0%, with higher grades like fiber grade reaching ≥99.8%. Key parameters include a boiling point around 197.3°C, a melting point near -12.9°C, and a density of 1.113-1.115 g/cm³ at 20°C. Viscosity and water content are also critical specifications that determine its suitability for specific uses. These properties are rigorously tested to meet international standards and ensure consistent performance across diverse applications.

Ensuring the consistent supply of high-quality Ethylene Glycol requires robust manufacturing processes and stringent quality control measures. Manufacturers adhere to standards such as ISO 9001 to guarantee product quality, consistency, and traceability. Reliable suppliers are capable of providing detailed product specifications, safety data sheets, and certificates of analysis to confirm that the material meets required standards for its intended use, whether it's for sensitive textile production or critical automotive applications.

Packaging and logistics play a vital role in the distribution of Ethylene Glycol. It is commonly available in various container sizes, ranging from small drums (e.g., 200kg) to intermediate bulk containers (IBCs) and even bulk shipments (e.g., 1-ton containers), depending on the volume requirements of the customer. Custom packaging options are often available to accommodate specific handling and storage needs. Efficient logistics ensure timely delivery while maintaining product integrity and safety during transport.

Choosing a dependable source for Ethylene Glycol is paramount for industries relying on this essential raw material. A supplier with a strong technical understanding of EG's applications and properties can provide valuable support and ensure the correct grade and purity are supplied for specific manufacturing processes. Reliability in supply chain management is also critical to avoid production disruptions.

In conclusion, Ethylene Glycol is a cornerstone chemical with multifaceted applications, particularly vital for the production of polyester and antifreeze. Its unique properties make it indispensable across various industrial sectors. If you are looking to buy high-quality Ethylene Glycol, seeking a dependable Ethylene Glycol manufacturer, or need details on Ethylene Glycol supplier price, please consider reaching out to NINGBO INNO PHARMCHEM CO.,LTD. for your Ethylene Glycol purchase requirements. NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing high-grade Ethylene Glycol to meet the demanding needs of global industries.