PRODUCT Properties
| Boiling point: | 107-109 °C |
| Density | 0.812 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 34 °F |
| storage temp. | Flammables area |
| form | Liquid |
| color | Clear yellow |
| InChI | 1S/C7H10/c1-2-7-5-3-4-6-7/h1,7H,3-6H2 |
| InChIKey | TXVJSWLZYQMWPC-UHFFFAOYSA-N |
| SMILES | C#CC1CCCC1 |
| EPA Substance Registry System | Cyclopentane, ethynyl- (930-51-8) |
Description and Uses
Cyclopentylacetylene is used as pharmaceutical intermediate.
Safety
| Symbol(GHS) | ![]() ![]() GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225-H302 |
| Precautionary statements | P210-P301+P312+P330 |
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter |
| Hazard Codes | F,Xn |
| Risk Statements | 11-22 |
| Safety Statements | 16-7/9 |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 2 |
| HazardClass | 3 |
| HS Code | 29021990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 4 Oral Flam. Liq. 2 |







