Introduction：Basic information about CAS 627-21-4|Pent-2-yne, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Pent-2-yne |
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| CAS Number | 627-21-4 | Molecular Weight | 68.117 |
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| Density | 0.7±0.1 g/cm3 | Boiling Point | 56.7±3.0 °C at 760 mmHg |
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| Molecular Formula | C5H8 | Melting Point | −109 °C(lit.) |
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| MSDS | / | Flash Point | -28.1±11.2 °C |
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Names
| Name | pent-2-yne |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 0.7±0.1 g/cm3 |
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| Boiling Point | 56.7±3.0 °C at 760 mmHg |
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| Melting Point | −109 °C(lit.) |
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| Molecular Formula | C5H8 |
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| Molecular Weight | 68.117 |
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| Flash Point | -28.1±11.2 °C |
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| Exact Mass | 68.062599 |
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| LogP | 1.99 |
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| Vapour Pressure | 237.4±0.0 mmHg at 25°C |
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| Index of Refraction | 1.407 |
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| InChIKey | NKTDTMONXHODTI-UHFFFAOYSA-N |
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| SMILES | CC#CCC |
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| Storage condition | Flammables area |
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Safety Information
| Hazard Codes | F: Flammable;Xi: Irritant; |
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| Risk Phrases | R11 |
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| Safety Phrases | S16-S26-S36/37/39 |
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| RIDADR | UN 3295 3/PG 2 |
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| WGK Germany | 3 |
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| Packaging Group | II |
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| Hazard Class | 3 |
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Synonyms
| 1-Ethyl-2-methylacetylene |
| MFCD00009380 |
| Ethylmethylacetylene |
| Pent-2-in |
| 2-Pentyne |
| EINECS 210-989-2 |
| trans 2-pentyne |
