(2E)-2-Octenal
Also known as: (E)-2-Octenal, trans-2-Octenal, (E)-oct-2-enal, 2-Octenal, trans-2-Octen-1-al, FEMA 3215, MFCD00007011, Oct-2-enal, trans-oct-2-enal
(2E)-2-Octenal (CAS 2548-87-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H14O and a molecular weight of 126.196 g/mol. Key properties include a boiling point of 190.1±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 65.6±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2548-87-0
- Jingsj CID
- J-30791-0
- Molecular Formula
- C8H14O
- Molecular Weight
- 126.196 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 190.1±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 65.6±0.0 °C |
| Exact Mass | 126.104462 |
| PSA | 17.07000 |
| LogP | 2.64 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 0.6±0.3 mmHg at 25°C |
| Refractive Index | 1.433 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2912190090 |
|---|---|
| Summary | 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (2E)-2-Octenal?
The CAS number of (2E)-2-Octenal is 2548-87-0.
What are the molecular formula and molecular weight of (2E)-2-Octenal?
(2E)-2-Octenal has molecular formula C8H14O and molecular weight 126.196 g/mol.
Is (2E)-2-Octenal hazardous?
(2E)-2-Octenal has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of (2E)-2-Octenal?
For (2E)-2-Octenal, Upstream Products: Hept-1-ene, Crotonaldehyde, Hexanal; Downstream Products: (E)-3-Octen-2-ol, 2-Butylfuran, Octanal.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(2E)-2-Octenal (CAS 2548-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30791-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.