2,4-Hexadienal
Also known as: (2E,4E)-hexa-2,4-dienal, (E,E)-2,4-Hexadienal, trans,trans-2,4-hexadienal, Sorbic aldehyde, Sorbaldehyde
2,4-Hexadienal (CAS 142-83-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H8O and a molecular weight of 96.127 g/mol. Key properties include a boiling point of 155.9±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 67.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 142-83-6
- Jingsj CID
- J-31637-0
- Molecular Formula
- C6H8O
- Molecular Weight
- 96.127 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 155.9±9.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 67.8±0.0 °C |
| Exact Mass | 96.057518 |
| PSA | 17.07000 |
| LogP | 1.06 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 3.0±0.3 mmHg at 25°C |
| Refractive Index | 1.450 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
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 2,4-Hexadienal?
The CAS number of 2,4-Hexadienal is 142-83-6.
What are the molecular formula and molecular weight of 2,4-Hexadienal?
2,4-Hexadienal has molecular formula C6H8O and molecular weight 96.127 g/mol.
Is 2,4-Hexadienal hazardous?
2,4-Hexadienal has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2,4-Hexadienal?
For 2,4-Hexadienal, Upstream Products: (E,E)-2,4-Hexadien-1-ol, Crotonaldehyde, Tributyl[(Z)-2-ethoxyvinyl]stannane; Downstream Products: 2-(2-Thienyl)pyridine, (E)-3-Hexen-1-ol, (E)-4-Hexen-1-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Hexadienal (CAS 142-83-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31637-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.