463-49-0
463-49-0 structure
- Name: Allene
- Chemical Name: allene
- CAS Number: 463-49-0
- Molecular Formula: C3H4
- Molecular Weight: 40.06390
- Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Acyclic hydrocarbon
- Create Date: 2018-05-04 08:00:00
- Modify Date: 2025-08-20 21:33:20
| Name | allene |
|---|---|
| Synonyms |
PROPADIENE
1,2-propadiene EINECS 207-335-3 1,2-propanediene sym-Allylene propardiene methylene ethylene MAPPGAS Allene Isoallylene CH2=C=CH2 propadienylidene MFCD00008566 |
| Density | 0.546 g/cm3 |
|---|---|
| Boiling Point | -34 °C |
| Melting Point | -136ºC(lit.) |
| Molecular Formula | C3H4 |
| Molecular Weight | 40.06390 |
| Exact Mass | 40.03130 |
| LogP | 0.95730 |
| Vapour density | 1.42 (20 °C, vs air) |
| Vapour Pressure | 5020mmHg at 25°C |
| Index of Refraction | 1.339 |
| Storage condition | 2-8°C |
| Hazard Codes | F+: Highly flammable;F: Flammable; |
|---|---|
| Risk Phrases | R12 |
| Safety Phrases | 9-16-33 |
| RIDADR | UN 2200 2 |
| WGK Germany | 3 |
| Hazard Class | 2.1 |
| HS Code | 2901299090 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
| 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% |