| Name | 3-HEPTYNE |
| Synonyms | 3-HEPTYNE hept-3-yne ETHYL-N-PROPYLACETYLENE 1-Ethyl-2-propylacetylene 3-HEPTYNE3-HEPTYNE3-HEPTYNE3-HEPTYNE |
| CAS | 2586-89-2 |
| EINECS | 219-967-7 |
| Molecular Formula | C7H12 |
| Molar Mass | 96.17 |
| Density | 0.741 g/mL at 25 °C(lit.) |
| Melting Point | -130.5°C |
| Boling Point | 105-106 °C(lit.) |
| Flash Point | 2 °F |
| Refractive Index | n20/D 1.4225(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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3295 3/PG 1 |
| Downstream Products | TRANS-3-HEPTENE 3-HEXYNE 2-PENTYNE |
| Specific gravity | 0.7337 (25/4℃) |
| WGK Germany | 3 |
| HazardClass | 3 |