1,3-Pentadiene
Also known as: 1-trimethylsilylallene, 4-methyl-1,3-butadiene, EINECS 217-909-5, H2C=C=CHTMS, H2C=CH-CH=CH-CH3, MFCD00009295, Silane,trimethyl-1,2-propadienyl, allenyltrimethylsilane, penta-1,3-diene, pentadiene-1,3, trans-1,3-pentadiene
1,3-Pentadiene (CAS 504-60-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H8 and a molecular weight of 68.117 g/mol. Key properties include a melting point of −87 °C(lit.), a boiling point of 44.1±0.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -28.9±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 504-60-9
- Jingsj CID
- J-18746-6
- Molecular Formula
- C5H8
- Molecular Weight
- 68.117 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −87 °C(lit.) |
|---|---|
| Boiling Point | 44.1±0.0 °C at 760 mmHg |
| Density | 0.7±0.1 g/cm3 |
| Flash Point | -28.9±0.0 °C |
| Exact Mass | 68.062599 |
| LogP | 2.38 |
| Additional Property | 2.4 (vs air) |
| Vapor Pressure | 380.2±0.0 mmHg at 25°C |
| Refractive Index | 1.415 |
Frequently Asked Questions
What is the CAS number of 1,3-Pentadiene?
The CAS number of 1,3-Pentadiene is 504-60-9.
What are the molecular formula and molecular weight of 1,3-Pentadiene?
1,3-Pentadiene has molecular formula C5H8 and molecular weight 68.117 g/mol.
What are the upstream and downstream products of 1,3-Pentadiene?
For 1,3-Pentadiene, Upstream Products: 3-Penten-2-ol, 1-Pentanol, 2-Methyltetrahydrofuran; Downstream Products: 1-Hexanol, ethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-Pentadiene (CAS 504-60-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18746-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.