Pentadiene-1,4 (technical)
1,4-Pentadiene
CAS: 591-93-5
Molecular Formula: C5H8
Pentadiene-1,4 (technical) - Names and Identifiers
| Name | 1,4-Pentadiene |
| Synonyms | ALLYLETHYLENE 1,4-Pentadiene DIVINYLMETHANE penta-1,4-diene Penta-1,4-diene Pentadiene-1,4 (technical) |
| CAS | 591-93-5 |
| EINECS | 209-736-9 |
| InChI | InChI=1/C5H8/c1-3-5-4-2/h3-4H,1-2,5H2 |
Pentadiene-1,4 (technical) - Physico-chemical Properties
| Molecular Formula | C5H8 |
| Molar Mass | 68.12 |
| Density | 0.659g/mLat 25°C(lit.) |
| Melting Point | -148 °C |
| Boling Point | 26°C(lit.) |
| Flash Point | 40°F |
| Water Solubility | 558 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966) |
| Solubility | Soluble in acetone, alcohol, benzene, and ether (Weast, 1986) |
| Vapor Presure | 11.91 psi ( 20 °C) |
| Appearance | Liquid |
| Color | Clear colorless |
| BRN | 1696934 |
| pKa | >14 (Schwarzenbach et al., 1993) |
| Storage Condition | 0-6°C |
| Stability | Stable. Highly flammable. Note low boiling point and low flash point. Incompatible with strong oxidizing agents. |
| Refractive Index | n20/D 1.389(lit.) |
Pentadiene-1,4 (technical) - Risk and Safety
| Risk Codes | R12 - Extremely Flammable R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S16 - Keep away from sources of ignition. S23 - Do not breathe vapour. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 3295 3/PG 1 |
| WGK Germany | 3 |
| HS Code | 29012900 |
| Hazard Class | 3.1 |
| Packing Group | II |
Pentadiene-1,4 (technical) - Reference Information
| Henry's Law Constant | 0.120 at 25 °C (Hine and Mookerjee, 1975) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-10 22:29:15
