trans-2-Hexenal
Also known as: (E)-2-Hexenal, Leaf aldehyde, 2-trans-Hexenal, trans-2-Hexen-1-al, FEMA 2560, (E)-hex-2-enal, 3-propylacrolein, Hex-2(E)-enal
trans-2-Hexenal (CAS 6728-26-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H10O and a molecular weight of 98.143 g/mol. Key properties include a boiling point of 146.5±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 38.3±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6728-26-3
- Jingsj CID
- J-24269-3
- Molecular Formula
- C6H10O
- Molecular Weight
- 98.143 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 146.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 38.3±0.0 °C |
| Exact Mass | 98.073166 |
| PSA | 17.07000 |
| LogP | 1.58 |
| Additional Property | 3.4 (vs air) |
| Vapor Pressure | 4.6±0.2 mmHg at 25°C |
| Refractive Index | 1.422 |
| Storage Conditions | 0-6°C |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
- H311 — Toxic in contact with skin
- H317 — May cause an allergic skin reaction
Activity & Biological Data
| Target | Determination of low-molecular-weight carbonyl compounds[1] |
|---|---|
| Additional Information | [1]. Konidari CN, et al. Determination of plasma, urine, and bovine serum albumin low-molecular-weight carbonyl levels by capillary gas chromatography with electron-capture and mass-selective detection.Anal Biochem. 2005 Mar 1;338(1):62-70. |
Frequently Asked Questions
What is the CAS number of trans-2-Hexenal?
The CAS number of trans-2-Hexenal is 6728-26-3.
What are the molecular formula and molecular weight of trans-2-Hexenal?
trans-2-Hexenal has molecular formula C6H10O and molecular weight 98.143 g/mol.
Is trans-2-Hexenal hazardous?
trans-2-Hexenal has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H311 — Toxic in contact with skin.
What are the upstream and downstream products of trans-2-Hexenal?
For trans-2-Hexenal, Upstream Products: cis-2-Hexen-1-ol, cis-3-Hexen-1-ol, trans-2-Hexen-1-ol; Downstream Products: Furfural, 3-Hydroxy-2H-pyran-2-one, 2-Furoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-2-Hexenal (CAS 6728-26-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24269-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.