| Name | (E)-pent-2-en-1-al |
| Synonyms | (2E)-2-Pentenal (E)-pent-2-enal (2E)-Pent-2-enal TRANS-2-PENTENAL 2-pentenal, (2E)- (E)-pent-2-en-1-al |
| CAS | 1576-87-0 |
| EINECS | 216-414-1 |
| InChI | InChI=1/C5H8O/c1-2-3-4-5-6/h3-5H,2H2,1H3/b4-3+ |
| Molecular Formula | C5H8O |
| Molar Mass | 84.1164 |
| Density | 0.825g/cm3 |
| Melting Point | -101.15°C (estimate) |
| Boling Point | 126.805°C at 760 mmHg |
| Flash Point | 22.778°C |
| Water Solubility | insoluble |
| Vapor Presure | 11.451mmHg at 25°C |
| Appearance | Form Liquid, color Clear colorless to yellow |
| Storage Condition | 0-6°C |
| Refractive Index | 1.413 |
| Hazard Symbols | F - Flammable![]() Xi - Irritant ![]() |
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 1989 |
| WGK Germany | 3 |
| RTECS | SB1560000 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 29121900 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | mic-sat 50 ng/plate EMMUEG 19,338,1992 |
| Downstream Products | 2,4-HEPTADIEN-1-OL TRANS-2-PENTEN-1-OL Valeraldehyde |
| FEMA | 3218 | 2-PENTENAL |
| Sensitivity | Air Sensitive |
| BRN | 1719742 |
| NIST chemical information | 2-pentenal(E)(1576-87-0) |