4-Pentenal
Also known as: pent-4-enal, allylacetaldehyde, Pent-4-en-1-al, 4-penten-1-al, 4-pentenylaldehyde, PENTENAL, MFCD00151841, EINECS 218-265-8
4-Pentenal (CAS 2100-17-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H8O and a molecular weight of 84.116 g/mol. Key properties include a melting point of 240 °C(lit.), a boiling point of 96.8±9.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -3.4±7.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2100-17-6
- Jingsj CID
- J-1367550-8
- Molecular Formula
- C5H8O
- Molecular Weight
- 84.116 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 240 °C(lit.) |
|---|---|
| Boiling Point | 96.8±9.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | -3.4±7.8 °C |
| Exact Mass | 84.057518 |
| PSA | 17.07000 |
| LogP | 1.12 |
| Vapor Pressure | 42.9±0.2 mmHg at 25°C |
| Refractive Index | 1.401 |
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 4-Pentenal?
The CAS number of 4-Pentenal is 2100-17-6.
What are the molecular formula and molecular weight of 4-Pentenal?
4-Pentenal has molecular formula C5H8O and molecular weight 84.116 g/mol.
What are the upstream and downstream products of 4-Pentenal?
For 4-Pentenal, Upstream Products: 4-Penten-1-ol, 4-Pentenoyl chloride, Ethyl 4-pentenoate; Downstream Products: cyclopentadecanolide, Cyclopentanone, 1-Butene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Pentenal (CAS 2100-17-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1367550-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.