Ethylene glycol
Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the chemical formula (CH2OH)2. It is used to make polyester and to make antifreeze.[4]
| Names | |
|---|---|
| Preferred IUPAC name
Ethane-1,2-diol | |
| Other names
Ethylene glycol
1,2-Ethanediol Ethylene alcohol Hypodicarbonous acid Monoethylene glycol 1,2-Dihydroxyethane | |
| Identifiers | |
| Abbreviations | MEG |
| CAS number | |
| PubChem | |
| EC number | 203-473-3 |
| KEGG | C01380 |
| MeSH | |
| ChEBI | CHEBI:30742 |
| RTECS number | KW2975000 |
| SMILES | C(CO)O |
| Beilstein Reference | 505945 |
| Gmelin Reference | 943 |
| 3DMet | B00278 |
| Properties | |
| Molecular formula | C2H6O2 |
| Molar mass | 62.06 g mol-1 |
| Appearance | Clear, colorless liquid |
| Odor | Odorless[1] |
| Density | 1.1132 g/cm3 |
| Melting point |
−12.9 °C, 260 K, 9 °F |
| Boiling point | |
| Solubility in water | Miscible |
| Solubility | Soluble in most organic solvents |
| log P | -1.69[2] |
| Vapor pressure | 0.06 mmHg (20 °C)[1] |
| Viscosity | 1.61×10−2 Pa·s[3] |
| Hazards | |
| Main hazards | Harmful |
| NFPA 704 |
1
2
0
|
| Explosive limits | 3.2–15.2%[1] |
| U.S. Permissible exposure limit (PEL) |
None[1] |
Ethylene Glycol Media
Synthesis of ethylene glycol from synthesis gas
Ethylene glycol is one precursor to polyethyleneterephthalate, which is produced on the multimillion ton scale annually.
Ethylene glycol protecting group
References
- ↑ 1.0 1.1 1.2 1.3 NIOSH Pocket Guide to Chemical Hazards. #0272National Institute for Occupational Safety and Health (NIOSH).
- ↑ Ethylene glycol. www.chemsrc.com.
- ↑ Elert, Glenn. Viscosity. The Physics Hypertextbook. Retrieved 2007-10-02.
- ↑ Siegfried Rebsdat. Ullmann's Encyclopedia of Industrial Chemistry (2000). ISBN 3527306730. doi:10.1002/14356007.a10_101.