trans-2-Pentenal
ALDRICH/W321818 - ≥95%, FG
Synonym: (E)-2-Pentenal; 2-Ethylacrylic aldehyde
CAS Number: 1576-87-0
Empirical Formula (Hill Notation): C5H8O
Molecular Weight: 84.12
EC Number: 216-414-1
MDL Number: MFCD00009615
Linear Formula: C2H5CH=CHCHO
Product Type: Chemical
| application(s) | flavors and fragrances |
| assay | ≥95% |
| biological source | synthetic |
| bp | 80-81 °C/160 mmHg (lit.) |
| density | 0.86 g/mL at 25 °C (lit.) |
| documentation | see Safety & Documentation for available documents |
| food allergen | no known allergens |
| grade | FG |
| Halal | |
| Kosher | |
| InChI | 1S/C5H8O/c1-2-3-4-5-6/h3- |
| InChI key | DTCCTIQRPGSLPT-ONEGZZNKSA |
| organoleptic | green; fruity; pungent |
| Quality Level | 300 ![]() |
400 ![]() |
|
| refractive index | n |
| reg. compliance | EU Regulation 1334/2008 & 178/2002 |
| SMILES string | CCC=CC=O |
| General description: | trans-2-Pentenal is a flavor volatile found in tomato, virgin olive oil{11] and sardine. |
| Packaging: | Packaged in glass bottles |
| Symbol | ![]() GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H315 - H319 - H335 |
| Precautionary statements | P210 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 10-36/37/38 |
| Safety Statements | 29 |
| RIDADR | UN 1989BE 3 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 71.6 °F - closed cup |
| Flash Point(C) | 22 °C - closed cup |
| Purity | ≥95% |
| bp | 80-81 °C/160 mmHg (lit.) |
| Density | 0.86 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| FEMA Number | 3218 |
| UNSPSC | 12164502 |



