Mono ethylene glycol (MEG) is a organic liquid chemical compound which molecular formula is represented by C2H6O2. Meanwhile this compound is very simple among the glycol family, it has many importance and applications in various industries. Ethylene glycol is used to produce a variety of products in industry. Ethylene glycol has a significant viscosity And despite that its sweet smell, it is very toxic. Base on what most of factories use , know as car antifreeze products on the market . We also had some experiments which we will talk about it in articles to prove that family of ethylene glycol (MEG,TEG,DEG) are suitable choice for antifreeze in vehicles base on evidences.
Monoethylene glycol (MEG) is the simplest combination of glycols, also known as 1 and 2-ethane diol, ethylene alcohol, 1 and 2-dihydroxyethane and hydro carbonic acid. To produce monoethylene glycol , ethylene raw materials are used in industry. In these processes, an intermediate compound of ethylene oxide is formed, which eventually reacts with water to form 1 and 2-ethane diol . These reactions occur in the presence of a catalyst or under alkaline or acidic conditions. The final product is monoethylene glycol, which is produced with a maximum purity of 90%.
Ethylene glycol is used to make polyester resins; It is also a key component of antifreeze formulations.
NO. | Characteristics | Unit | Specifications |
1 | Appearance | — | Clear Colourless |
2 | MEG Content | Wt % min | 99.9 |
3 | DEG Content | Wt % min | 0.04 |
4 | Specific Gravity | @20/20 Deg C | 1.1151-1.1156 |
5 | Water | Wt. % max | 0.04 |
6 | Colour (before heating) | Pt-Co Units Max. | 5 |
7 | Acidity (as acetic acid) | Wt.ppm Max. | 10 |
8 | Chlorides (as CL) | Wt.ppm Max. | 0.1 |
9 | Sulphates | — | Nil |
10 | Iron | Wt.ppm Max. | 0.1 |
11 | Ash | Wt.ppm Max. | 10 |
12 | Aldehydes (as ormaldehyde) | Wt.ppm Max. | 10 |
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