Substance profile
2-isopropoxyethanol
2-isopropoxyethanol is a colorless liquid with a mild ethereal odor.
01 · Identification
What 2-isopropoxyethanol is
2-isopropoxyethanol is a colorless liquid with a mild ethereal odor. Its molecular formula is C5H12O2 and its molecular weight is 104.15 g/mol. It boils at 144 °C, melts at -60 °C.
Under the GHS it carries the signal word Warning. It is classed as flammable agents - 2nd degree.
Other names for 2-isopropoxyethanol
- ethylene glycol monoisopropyl ether
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H332 | Harmful if inhaled. |
| H312 | Harmful in contact with skin. |
| H319 | Causes serious eye irritation. |
Precautionary statements: P260, P264, P271, P280, P302, P304, P305, P312, P313, P337, P338, P352
03 · Physical and chemical properties
2-isopropoxyethanol properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 144 °C (291.2 °F) | at 743 mmHg | HSDB |
| 139.44 °C (283 °F) | NIOSH | ||
| 141 °C (285.8 °F) | at 760 mmHg | CAMEO | |
| Melting point | -60 °C (-76 °F) | ICSC | |
| Density | 0.9 g/cm³ | NIOSH | |
| 0.91 g/cm³ | CAMEO | ||
| 0.903 g/cm³ | at 20 °C | HSDB | |
| Solubility | SOL IN ALL PROP IN WATER, ALC, ETHER; SOL IN ACETONE | HSDB | |
| Miscible | NIOSH | ||
| Miscible (NIOSH, 2024) | CAMEO | ||
| Vapor pressure | 3 mmHg | NIOSH | |
| 5.2 mmHg | at 25 °C | HSDB | |
| Flash point | 33.33 °C (92 °F) | HSDB | |
| 33 °C (91.4 °F) | CAMEO | ||
| Autoignition temperature | 240 °C (464 °F) | ICSC | |
| Lower explosive limit (LEL) | 1.6 % by volume | ICSC | |
| Class IC Flammable Liquid: Fl.P. at or above 73 °F and below 100 °F. | NIOSH | ||
| Upper explosive limit (UEL) | 13 % by volume | ICSC | |
| Vapor density | 3.6 (air = 1) | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling 2-isopropoxyethanol
Storage conditions
SEE ETHERS. ETHERS SHOULD NOT BE STORED NEAR POWERFUL OXIDIZERS OR IN AREAS OF HIGH FIRE HAZARD. THEY SHOULD BE KEPT COOL AND THE CONTAINERS ELECTRICALLY GROUNDED TO AVOID SPARKS. /ETHERS/
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Oxidizers.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
ETHYLENE GLYCOL ISOPROPYL ETHER acts both as an alcohol and ether. May react violently with strong oxidizing agents. May generate flammable and/or toxic gases with alkali metals, nitrides, and other strong reducing agents. May initiate the polymerization of isocyanates and epoxides.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check 2-isopropoxyethanol in the storage compatibility matrix →