Introduction：Basic information about CAS 21020-27-9|4-Methyl-2-pentyne, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Methyl-2-pentyne |
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| CAS Number | 21020-27-9 | Molecular Weight | 82.144 |
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| Density | 0.7±0.1 g/cm3 | Boiling Point | 70.3±8.0 °C at 760 mmHg |
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| Molecular Formula | C6H10 | Melting Point | 110ºC |
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| MSDS | / | Flash Point | -18.5±12.6 °C |
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Names
| Name | 4-methylpent-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 | 70.3±8.0 °C at 760 mmHg |
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| Melting Point | 110ºC |
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| Molecular Formula | C6H10 |
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| Molecular Weight | 82.144 |
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| Flash Point | -18.5±12.6 °C |
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| Exact Mass | 82.078247 |
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| LogP | 2.34 |
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| Appearance of Characters | Liquid | Clear slightly yellow |
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| Vapour Pressure | 140.9±0.1 mmHg at 25°C |
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| Index of Refraction | 1.414 |
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| InChIKey | SLMFWJQZLPEDDU-UHFFFAOYSA-N |
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| SMILES | CC#CC(C)C |
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| Storage condition | Flammables area |
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Safety Information
| Hazard Codes | F |
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| Risk Phrases | R11 |
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| Safety Phrases | S16-S23-S24/25 |
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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 | 3.0 |
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| HS Code | 2901299090 |
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Customs
| HS Code | 2901299090 |
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| Summary | 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
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Synonyms
| 2-Pentyne, 4-methyl- |
| methylisopropylacetylene |
| Isopropylmethylacetylene |
| 2-methyl-4-pentyne |
| 4-Methylpent-2-yne |
| 2-Pentyne,4-methyl |
| MFCD00041615 |
| 4-Methyl-2-pentyne |
| 1-isopropyl-2-methylacetylene |
