| Molecular Formula | C5H8O |
| Molar Mass | 84.12 |
| Density | 0.964g/mLat 25°C(lit.) |
| Melting Point | 136-137 °C |
| Boling Point | 102°C(lit.) |
| Flash Point | 50°F |
| Water Solubility | Immiscible with water. |
| Vapor Presure | 39.6mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear colorless to very faintly yellow |
| BRN | 102495 |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.434(lit.) |
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | RN8935000 |
| TSCA | Yes |
| HS Code | 29109000 |
| Hazard Class | 3 |
| Packing Group | III |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | 1,2-epoxycyclopentane, also known as cyclopentene oxide, is a colorless oily liquid with a boiling point of 102°C and can be synthesized by cyclopentene epoxidation. |
| application | 1,2-epoxycyclopentane is a hydrocarbon derivative and is mainly used as an important intermediate in pharmaceutical and organic synthesis. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |