21020-27-9
21020-27-9 structure
- Name: 4-Methyl-2-pentyne
- Chemical Name: 4-methylpent-2-yne
- CAS Number: 21020-27-9
- Molecular Formula: C6H10
- Molecular Weight: 82.144
- Catalog: Chemical reagent Organic reagent Alkyne
- Create Date: 2018-07-04 16:04:40
- Modify Date: 2024-01-02 18:43:56
| Name | 4-methylpent-2-yne |
|---|---|
| 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 |
| Density | 0.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 70.3±8.0 °C at 760 mmHg |
| Melting Point | 110ºC |
| Molecular Formula | C6H10 |
| Molecular Weight | 82.144 |
| Flash Point | -18.5±12.6 °C |
| Exact Mass | 82.078247 |
| LogP | 2.34 |
| Appearance | Liquid | Clear slightly yellow |
| Vapour Pressure | 140.9±0.1 mmHg at 25°C |
| Index of Refraction | 1.414 |
| Storage condition | Flammables area |
| Hazard Codes | F |
|---|---|
| Risk Phrases | R11 |
| Safety Phrases | S16-S23-S24/25 |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| Packaging Group | II |
| Hazard Class | 3.0 |
| HS Code | 2901299090 |
| Precursor 8 | |
|---|---|
| DownStream 9 | |
| HS Code | 2901299090 |
|---|---|
| Summary | 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |