| Name | trans-2-Octen-1-al |
| Synonyms | FEMA 3215 oct-2-enal T2 OCTENAL (e)-2-octena oct-2(E)-enal (E)-2-Octenal 2-(E)-octenal oct-(E)-2-enal (2E)-oct-2-enal TRANS-2-OCTENAL trans-2-Octenal TRANS-2-OCTEN-1-AL trans-2-Octen-1-al |
| CAS | 2548-87-0 |
| EINECS | 219-833-8 |
| InChI | InChI=1/C8H14O/c1-2-3-4-5-6-7-8-9/h6-8H,2-5H2,1H3/b7-6+ |
| Molecular Formula | C8H14O |
| Molar Mass | 126.2 |
| Density | 0.846g/mLat 25°C(lit.) |
| Melting Point | 3.5°C (estimate) |
| Boling Point | 84-86°C19mm Hg(lit.) |
| Flash Point | 150°F |
| JECFA Number | 1363 |
| Water Solubility | Not miscible or difficult to mix in water. Soluble in alcohol and fixed oils. |
| Solubility | Chloroform (Soluble), Methanol (Slightly) |
| Vapor Density | >1 (vs air) |
| Appearance | neat |
| Color | Colourless |
| Storage Condition | 2-8°C |
| Stability | Air Sensitive, Light Sensitive |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.45(lit.) |
| MDL | MFCD00007011 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| RTECS | RH2130000 |
| TSCA | Yes |
| HS Code | 29121900 |
| Toxicity | dnd-ham-fbr 250 mmol/l/1H MUREAV 497,185,2001 |
| Reference Show more | 1. [IF=4.952] Liuyang Ren et al."Characterization of key off-odor compounds in thermal duck egg gels by GC-olfactometry-MS, odor activity values, and aroma recombination."Lwt Food Sci Technol. 2021 May;143:111182 |
| FEMA | 3215 | 2-OCTENAL |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | trans -2-octenal is an excellent modifier for floral fragrance. Citrus especially orange, nuts especially hazelnut fatty aroma. Use: Add fresh cucumber, green herbs and banana front notes. |