Triethylene Glycol: An Efficient Solvent and Multi-Purpose Chemical Raw Material
Major Application Fields
In the chemical industry, triethylene glycol is an efficient solvent that can dissolve a variety of organic compounds, such as resins, dyes, and fragrances. It is commonly used in the production of coatings, inks, and adhesives, providing good solubility and film-forming properties. Additionally, triethylene glycol can be used to synthesize other organic compounds, such as triethylene glycol ethers and esters, which are widely used as plasticizers and surfactants.
In the pharmaceutical industry, triethylene glycol is used as a solvent and humectant. It can dissolve certain drug components, enhancing the stability and solubility of drugs, especially in the preparation of injections and oral liquids. Additionally, triethylene glycol can be used to regulate the release rate of drugs, improving their bioavailability.
In the textile industry, triethylene glycol is used as a humectant and softening agent. It can increase the flexibility and anti-static properties of fibers, improving the hand feel and processing performance of fabrics. Triethylene glycol is also used in the post-treatment of textiles to enhance their wear resistance and wrinkle resistance.
In the electronics industry, triethylene glycol is used as a cleaning agent and solvent. It can effectively remove residues and impurities from the surface of electronic components, ensuring their cleanliness and performance. Triethylene glycol is also used in semiconductor manufacturing to clean wafer surfaces, removing photoresist residues and other impurities.
In water treatment, triethylene glycol is used as an antifreeze and corrosion inhibitor. It can lower the freezing point of water, preventing coolant from freezing at low temperatures, and reduce corrosion of equipment. Triethylene glycol-based antifreeze is widely used in industrial cooling water systems and automotive coolants.
Despite its wide range of applications, triethylene glycol is viscous and hygroscopic, and its use and storage require strict safety precautions. Triethylene glycol easily absorbs moisture in humid environments, so it needs to be stored in a sealed container. Additionally, solutions of triethylene glycol are somewhat viscous, and appropriate protective equipment should be worn during use to avoid contact with skin and eyes. In industrial production, the use of triethylene glycol typically occurs in closed systems to minimize environmental impact.
Specifications
| Product Name | Triethylene Glycol | |||||||||
| Chemical Formula | C6H14O4 | |||||||||
| Molecular Weight | 150.17 g/mol | |||||||||
| Appearance | Colourless viscous liquid | |||||||||
| Melting Point | -7.2°C | |||||||||
| Boiling Point | 285°C | |||||||||
| Density | 1.125 g/cm³ | |||||||||
| CAS NO | 112 - 27 - 6 | |||||||||
| HS Code | 29094400 | |||||||||
| EINECS NO | 203 - 953 - 2 | |||||||||
| Application | Applied in gas dehydration, solvent extraction, and chemical synthesis | |||||||||
Quality Control Sheet
| Product Name | Triethylene Glycol | ||||||
| ITEM | Specification | Result | |||||
| TEG，mass% | ≥99.0 | 99.5 | |||||
| Colourness(Pt-Co) | ≤50 | 19 | |||||
| Water，mass% | ≤0.10 | 0.03 | |||||
| Acid(nunber(as)CH3COOH)% | ≤0.0050 | 0.0002 | |||||
| Density(2C20)C)，g/cm3 | 1.1215~1.1245 | 1.1234 | |||||
| ASH，mass% | ≤0.01 | 0.00103 | |||||
In summary
In summary, triethylene glycol, as an important organic chemical raw material and solvent, plays a key role in multiple industries. It not only enhances product performance and quality but also supports the development of modern industry. With continuous technological advancements, the application prospects for triethylene glycol will be even broader.