trans-2-pentene
Also known as: 2-AMYLENE, 2-N-PENTENE, 2-PENTENE, 2-Pentene,c, 3-Pentene, AMYLENE, B-N-AMYLENE, CH3CH=CHC2H5, EINECS 203-695-0, MFCD00009384, Methylethylethylene, Pent-2-ene, TRANS-2-PENTENE, methyl-2-butene, s-Methylethylethylene, sym-Methylethylethylene
trans-2-pentene (CAS 109-68-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H10 and a molecular weight of 70.13290 g/mol. Key properties include a melting point of -140ºC, a boiling point of 36ºC, a density of 0.65 and a flash point of -45.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 109-68-2
- Jingsj CID
- J-43482-1
- Molecular Formula
- C5H10
- Molecular Weight
- 70.13290 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -140ºC |
|---|---|
| Boiling Point | 36ºC |
| Density | 0.65 |
| Flash Point | -45.6 °C |
| Exact Mass | 70.07830 |
| LogP | 1.97250 |
| Vapor Pressure | 2.73mmHg at 25°C |
| Refractive Index | n20/D 1.381 |
Customs & Trade Information
| HS Code | 2901299090 |
|---|---|
| Summary | 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of trans-2-pentene?
The CAS number of trans-2-pentene is 109-68-2.
What are the molecular formula and molecular weight of trans-2-pentene?
trans-2-pentene has molecular formula C5H10 and molecular weight 70.13290 g/mol.
What are the upstream and downstream products of trans-2-pentene?
For trans-2-pentene, Upstream Products: 2-Pentanol, Pent-1-ene, Propionaldehyde; Downstream Products: 2,3-dichloropentane, 1-Chloropentane, 2,2-dimethylbutanoic 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-pentene (CAS 109-68-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43482-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.