1-phenylcyclopentene

Also known as: 1-(1-Cyclopentenyl)benzene, 1-Cyclopenten-1-ylbenzene, 1-PHENYLCYCLOPENTENE, 1-Phenyl-1-Cyclopentane, 1-Phenyl-1-cyclopent-1-ene, 1-Phenylcyclopentene, 1-cyclopentenyl-benzene, Benzene,1-cyclopenten-1-yl, Cyclopentenylbenzene, Phenylcyclopenten, Phenylcyclopentene, SALOR-INT L170011-1EA, cyclopent-1-en-1-ylbenzene, cyclopent-1-enylbenzene, cyclopenten-1-ylbenzene

1-phenylcyclopentene (CAS 825-54-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H12 and a molecular weight of 144.21300 g/mol. Key properties include a boiling point of 224.9ºC at 760 mmHg, a density of 1g/cm3 and a flash point of 83.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 825-54-7
Jingsj CID: J-1103882-7
Molecular Formula: C₁₁H₁₂
Molecular Weight: 144.21300 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	224.9ºC at 760 mmHg
Density	1g/cm3
Flash Point	83.5ºC
Exact Mass	144.09400
LogP	3.25390
Refractive Index	1.567
Storage Conditions	2-8°C

Frequently Asked Questions

What is the CAS number of 1-phenylcyclopentene?

The CAS number of 1-phenylcyclopentene is 825-54-7.

What are the molecular formula and molecular weight of 1-phenylcyclopentene?

1-phenylcyclopentene has molecular formula C11H12 and molecular weight 144.21300 g/mol.

What are the upstream and downstream products of 1-phenylcyclopentene?

For 1-phenylcyclopentene, Downstream Products: Ethyl 2-oxo-3-phenylcyclopentanecarboxylate, 4-Benzoylbutyric acid, methyl 5-oxo-5-phenylpentanoate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-phenylcyclopentene (CAS 825-54-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1103882-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.