Ethylcyclopentane
- CAS NO.：1640-89-7
- Empirical Formula: C7H14
- Molecular Weight: 98.19
- MDL number: MFCD00001389
- EINECS: 216-686-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-10-27 18:05:13
What is Ethylcyclopentane?
Chemical properties
Colorless liquid.
Chemical properties
Ethylcyclopentane is a colorless flammable liquid.
Physical properties
2.10(x 10-3 atm?m3/mol) at 25 °C (approximate - calculated from water solubility and vapor pressure)
Definition
ChEBI: Ethylcyclopentane is a cycloalkane.
Hazard
Flammable, moderate fire risk; flammable limits in air 1.1–6.7%.
Environmental Fate
Chemical/Physical. Complete combustion in air yields carbon dioxide and water vapor. Ethylcyclopentane will not hydrolyze because it has no hydrolyzable functional group.
Properties of Ethylcyclopentane
| Melting point: | −138 °C(lit.) |
| Boiling point: | 103 °C(lit.) |
| Density | 0.763 g/mL at 25 °C(lit.) |
| vapor density | >1 (vs air) |
| vapor pressure | 72.8 mm Hg ( 37.7 °C) |
| refractive index | n |
| Flash point: | 60 °F |
| solubility | Soluble in acetone, alcohol, benzene, ether, and petroleum (Weast, 1986) |
| form | clear liquid |
| color | Colorless to Almost colorless |
| explosive limit | 6.7% |
| Water Solubility | In mg/kg: 21.9 at 70.5 °C, 52.5 at 113 °C, 224 at 168.5 °C, 759 at 203 °C (Guseva and Parnov,
1964) |
| Henry's Law Constant | >14 (Schwarzenbach et al., 1993) |
| CAS DataBase Reference | 1640-89-7 |
| EPA Substance Registry System | Cyclopentane, ethyl- (1640-89-7) |
Safety information for Ethylcyclopentane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. |
Computed Descriptors for Ethylcyclopentane
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