(E)-2-Pentene
trans-2-Pentene
CAS: 646-04-8
Molecular Formula: C5H10
(E)-2-Pentene - Names and Identifiers
| Name | trans-2-Pentene |
| Synonyms | 2-(E)-C5H10 (E)-2-Pentene (2E)-2-Pentene TRANS-2-AMYLENE trans-Pentene-2 trans-2-Pentene TRANS-2-PENTENE TRANS-B-N-AMYLENE SYM-METHYLETHYLETHYLENE TRANS-SYM-METHYLETHYLETHYLENE |
| CAS | 646-04-8 |
| EINECS | 211-461-4 |
| InChI | InChI=1/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3/b5-3+ |
(E)-2-Pentene - Physico-chemical Properties
| Molecular Formula | C5H10 | ||||||||||||||||||||
| Molar Mass | 70.13 | ||||||||||||||||||||
| Density | 0.649 g/mL at 25 °C (lit.) | ||||||||||||||||||||
| Melting Point | -140 °C (lit.) | ||||||||||||||||||||
| Boling Point | 37 °C (lit.) | ||||||||||||||||||||
| Flash Point | −50°F | ||||||||||||||||||||
| Water Solubility | 203 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966) | ||||||||||||||||||||
| Solubility | Soluble in alcohol, benzene, and ether (Weast, 1986) | ||||||||||||||||||||
| Vapor Presure | 8.06 psi ( 20 °C) | ||||||||||||||||||||
| Appearance | clear liquid | ||||||||||||||||||||
| Color | cis Form: Liquid | ||||||||||||||||||||
| Merck | 14,7123 | ||||||||||||||||||||
| BRN | 1718795 | ||||||||||||||||||||
| pKa | >14 (Schwarzenbach et al., 1993) | ||||||||||||||||||||
| Storage Condition | 2-8°C | ||||||||||||||||||||
| Refractive Index | n20/D 1.381 | ||||||||||||||||||||
| Physical and Chemical Properties |
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(E)-2-Pentene - Risk and Safety
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. S36 - Wear suitable protective clothing. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| RTECS | SB2184500 |
| TSCA | Yes |
| HS Code | 29012900 |
| Hazard Class | 3 |
| Packing Group | II |
(E)-2-Pentene - Reference Information
| Henry's Law Constant | 0.234 at 25 °C (Hine and Mookerjee, 1975) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| category | flammable liquid |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant; Combustion stimulus smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant; It is not suitable for long storage, to prevent aggregation |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:54:55
