MEG (Monoethylene Glycol)
Description
Monoethylene Glycol (MEG) is a colorless, virtually odorless and slightly viscous liquid. It is miscible with water, alcohols, aldehydes, and many organic compounds. MEG will not dissolve rubber, cellulose acetate or heavy vegetable and petroleum oils. MEG has a low volatility and it is 50% more hygroscopic than glycerol at room temperature.
Applications
MEG is mainly used in the production of polyester, polyethylene terephthalate (PET), and antifreeze solutions. It is an important dehydrating agent, good humectant, and an industrial solvent.
Properties
| Unit | Quantity | |
|---|---|---|
| Molecular weight | g/mol | 62.08 |
| Boiling point | °C | 197 |
| Freezing point | °C | -13 |
| Viscosity | at 20°C (cp) | 20 |
| Specific heat | at 0°C (cal/gm/°C) | 0.543 |
Specifications
Drum shipment
| Unit | Quantity / description | |
|---|---|---|
| Appearance | visual | clear |
| Specific gravity | at 20°C/20°C | 1.1153-1.1156 |
| Purity* | wt % | 99.9 min |
| Water | wt % | 0.2 max |
| Acidity (as acetic acid) | wt % | 0.002 max |
| Color | APHA | 10 max |
| Iron(FE) | ppm, wt | 0.5 max |
| Chloride | ppm, wt | 0.5 max |
| Ash | wt % | 0.5 max |
Fiber grade bulk shipment
| Unit | Quantity / description | Test Method ASTM | |
|---|---|---|---|
| Appearance | visual | clear | |
| Specific gravity | at 20°C/20°C | 1.1153-1.1156 | D-4052 |
| Distillation range | °C (at 760 mmHg) | 196 min 199 min |
D-1078 |
| Purity* | wt % | 99.9 min | E-611 (GC) |
| Water | wt % | 0.05 max | E-203 |
| DEG Content | wt % | 0.05 max | E-611 (GC) |
| Acidity (as acetic acid) | wt % | 0.001 max | D-1613 |
| Color | APHA | 5 max | D-1209 |
| Iron(FE) | ppm, wt | 0.10 max | E-394 |
| UV Transmittance: | SMS 1997-82 | ||
| Wave length % | |||
| 220 | nm | 70 min | |
| 275 | nm | 90 min | |
| 350 | nm | 98 min | |
| Aldehyde (as acetaldehyde) | ppm, wt | 10 max | SMS 1996-74 |
| Chloride | ppm, wt | 0.5 max | SMS 2367-81 |
| Ash | wt % | 0.001 max | D-482 |
| PH at 20°C, dimensionless | °C | 6.5-7.5 | D-1287 |
Datasheets
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Contact
SABIC Petrochemicals B.V.
SBU Chemicals / Glycols
Europaboulevard 1
6135 LD Sittard
The Netherlands
Telephone: +31 (0) 46 477 2334 (Secretary)