Diethylene glycol
CAS 111-46-6C4H10O3106.12 g/mol
Diethylene glycol is a hydroxyether.
IUPAC: 2-(2-hydroxyethoxy)ethanol
PubChem
Physical & Chemical Properties
| Melting Point | 14 °F (NTP, 1992) |
| Boiling Point | 473 °F at 760 mmHg (NTP, 1992) |
| Density | 1.118 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Flash Point | 290 °F (NTP, 1992) |
| Vapor Pressure | less than 0.01 mmHg at 68 °F ; 0.01 mmHg at 86 °F (NTP, 1992) |
| Appearance | Diethylene glycol appears as a colorless liquid. Denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be slightly toxic by ingestion. Used to make other chemicals. |
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): 2909
Data: UN Comtrade
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