Ethylene Glycol Coal Route
Major Application Fields
In the automotive industry, ethylene glycol is a major component of antifreeze. It lowers the freezing point of water, preventing coolant from freezing at low temperatures, and raises the boiling point, preventing engine overheating. Ethylene glycol-based antifreeze is widely used in the cooling systems of cars, trucks, and industrial equipment to ensure normal engine operation under extreme temperatures. Additionally, ethylene glycol has good thermal stability and corrosion inhibition properties, which can extend the service life of cooling systems.
In the chemical industry, ethylene glycol is an important raw material for organic synthesis. It is used to produce polyethylene terephthalate (PET), the main raw material for polyester fibers, resins, and plastic bottles. Ethylene glycol can also be used to synthesize a variety of organic compounds, such as ethylene glycol ethers, esters, and amines, which are widely used in solvents, coatings, inks, and electronic chemicals.
In the pharmaceutical industry, ethylene glycol is used as a solvent and intermediate. It can dissolve certain drug components, improving the stability and solubility of drugs. Additionally, ethylene glycol can be used to synthesize certain pharmaceutical intermediates, such as ethylene glycol ethers and esters, which have important applications in drug synthesis.
In the textile industry, ethylene glycol is used to produce polyester fibers. Polyester fibers are known for their high strength, wear resistance, and good shape retention, and are widely used in clothing, home textiles, and industrial fabrics. Ethylene glycol plays a key role in the production of polyester fibers by reacting with terephthalic acid to form polyethylene terephthalate (PET), resulting in high-quality polyester fibers.
In the electronics industry, ethylene glycol is used as a solvent and coolant. It can be used to clean electronic components, removing surface impurities and residues. Additionally, ethylene glycol-based coolants are used in the cooling systems of electronic devices to maintain stable temperatures during high-load operation.
Despite its wide range of applications, ethylene glycol is toxic, and its use and storage require strict safety precautions. Ethylene glycol has a sweet taste, but ingestion can cause severe poisoning, so it should be stored properly to prevent access by children and animals. In industrial production, the use of ethylene glycol typically occurs in closed systems to minimize environmental impact.
Specifications
| Product Name | Ethylene Glycol | |||||||||
| Chemical Formula | C2H6O2 | |||||||||
| Molecular Weight | 62.07 g/mol | |||||||||
| Appearance | Colourless viscous liquid | |||||||||
| Melting Point | -13.2℃ | |||||||||
| Boiling Point | 197.3℃ | |||||||||
| Density | 1.1132 g/cm³ | |||||||||
| CAS NO | 107 - 21 - 1 | |||||||||
| HS Code | 29053100 | |||||||||
| EINECS NO | 203 - 473 - 3 | |||||||||
| Application | Used for polyester production, antifreeze formulation, solvent, and plasticizer manufacturing | |||||||||
Quality Control Sheet
| Product Name | Ethylene Glycol | ||||||
| ITEM | STANDARD VALUE（%） | TEST VALUE（%） | |||||
| Purity,% ≥ | 99.8 | 99.9 | |||||
| Chromaticity(Pt-Co),≤ | 5 | 5 | |||||
| Density,g/cm3 | 1.1128-1.1138 | 1.1133 | |||||
| Dry Point,℃ ≤ | 199 | 197.4 | |||||
| Moisture,% ≤ | 0.1 | 0.05 | |||||
| Acidity(as acetic acid),%≤ | 0.001 | 0.0007 | |||||
| Iron(Fe),% ≤ | 0.00001 | 0.000005 | |||||
| Evaporation Residue,% ≤ | 0.001 | 0.0003 | |||||
| Diethylene glycol,% ≤ | 0.10 | 0.01 | |||||
| Aldehyde,% ≤ | 0.0008 | 0.00032 | |||||
In summary
In summary, ethylene glycol, as an important organic chemical raw material, 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 ethylene glycol will be even broader.