Diisopropyl ether
CAS 108-20-3C6H14O102.17 g/mol
IUPAC: 2-propan-2-yloxypropane
PubChem
Physical & Chemical Properties
| Melting Point | -123 °F (USCG, 1999) |
| Boiling Point | 156 °F at 760 mmHg (USCG, 1999) |
| Density | 0.724 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | 0.2 % (NIOSH, 2024) |
| Flash Point | -18 °F (USCG, 1999) |
| Vapor Pressure | 119 mmHg (NIOSH, 2024) |
| Appearance | Diisopropyl ether appears as a clear colorless liquid with an ethereal odor. Flash point -18 °F. Less dense than water. Vapors heavier than air. |
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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