Ethylene glycol
CAS 107-21-1C2H6O262.07 g/mol
Ethylene glycol is a 1,2-glycol compound produced via reaction of ethylene oxide with water. It has a role as a metabolite, a toxin, a solvent and a mouse metabolite. It is a glycol and an ethanediol.
IUPAC: ethane-1,2-diol
PubChem
Physical & Chemical Properties
| Melting Point | 9 °F (NTP, 1992) |
| Boiling Point | 387.7 °F at 760 mmHg (NTP, 1992) |
| Density | 1.115 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 63.5 °F (NTP, 1992) |
| Flash Point | 232 °F (NTP, 1992) |
| Vapor Pressure | 0.06 mmHg at 68 °F ; 1 mmHg at 127.4 °F (NTP, 1992) |
| Appearance | Ethylene glycol is a clear, colorless syrupy liquid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Since it is a liquid it can easily penetrate the soil and contaminate groundwater and nearby streams. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2905
Data: UN Comtrade
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