590-18-1
590-18-1 structure
- Name: cis-2-butene
- Chemical Name: cis-but-2-ene
- CAS Number: 590-18-1
- Molecular Formula: C4H8
- Molecular Weight: 56.10630
- Create Date: 2018-07-02 19:16:39
- Modify Date: 2024-01-04 09:47:14
| Name | cis-but-2-ene |
|---|---|
| Synonyms |
High-boiling butene-2
cis-Butene MFCD00009294 cis-1,2-Dimethylethylene cis-2-Butene (Z)-but-2-ene EINECS 209-673-7 |
| Density | 0.636 g/cm3 |
|---|---|
| Boiling Point | 3.7ºC at 760 mmHg |
| Melting Point | -139ºC(lit.) |
| Molecular Formula | C4H8 |
| Molecular Weight | 56.10630 |
| Flash Point | -12ºC |
| Exact Mass | 56.06260 |
| LogP | 1.58240 |
| Vapour density | 2 (vs air) |
| Vapour Pressure | 1414 mm Hg ( 21 °C) |
| Index of Refraction | 1.384 |
| Stability | Stable, but prone to polymerization in the presence of suitable catalysts. Extremely flammable. Readily forms explosive mixtures with air. Can lead to flash fires. Incompatible with strong oxidizing agents, halogens, halogen acids, magnesium perchlorate. |
| Hazard Codes | F+ |
|---|---|
| Risk Phrases | R12 |
| Safety Phrases | S9-S16-S33 |
| RIDADR | UN 1012 |
| WGK Germany | 3 |
| Hazard Class | 2.1 |
| Precursor 0 | |
|---|---|
| DownStream 10 | |
