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Monoethylene glycol (MEG) is a colorless, odorless, and sweet-tasting organic compound that belongs to the glycol family. It is produced from ethylene oxide and is primarily used as a raw material in the production of polyethylene terephthalate (PET) plastics, antifreeze formulations, and as a solvent in various industrial applications. MEG is hygroscopic, meaning it can absorb moisture from the air, which contributes to its effectiveness in various applications.
| Chemical formula | C2H6O2 |
| Molecular weight | 62.07 g/mol |
| Purity | 99% minimum |
| Boiling point | 197.6 °C |
| Freezing point | -13 °C |
| Density | 1.1132 g/cm³ |
When selecting monoethylene glycol, buyers should consider the required purity level, as this can affect performance in specific applications. It is also important to specify the intended use, as different formulations may be necessary for industrial versus consumer products. Buyers should inquire about packaging options and quantities, as MEG is often supplied in bulk or in drums.
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The primary use of MEG is in the production of polyethylene terephthalate (PET) plastics.
While MEG is commonly used, it should be handled with care as it can be harmful if ingested or inhaled.
MEG is used in industries such as plastics, automotive, textiles, and personal care.
MEG is produced from ethylene oxide through a hydration process.
Commercial MEG typically has a purity of 99% or higher.
Yes, MEG can be recycled and reused in various applications, particularly in PET production.