Cyclopentane, ethenyl-
Also known as: 1-Vinylcyclopentane, Cyclopentane, vinyl-, Cyclopentylethylene, EINECS 223-133-8, ETHENE-1-CYCLOPENTYL, Ethenylcyclopentane, MFCD00001386, VINYLCYCLOPENTANE, Vinylcyclopentane, Vinylcyclopentane, ≥97%, ethenylcyclopentane
Cyclopentane, ethenyl- (CAS 3742-34-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H12 and a molecular weight of 96.17020 g/mol. Key properties include a melting point of -126.5°C, a boiling point of 98.1ºC at 760 mmHg, a density of 0.877 g/cm3 and a flash point of 10ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3742-34-5
- Jingsj CID
- J-33001-8
- Molecular Formula
- C7H12
- Molecular Weight
- 96.17020 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -126.5°C |
|---|---|
| Boiling Point | 98.1ºC at 760 mmHg |
| Density | 0.877 g/cm3 |
| Flash Point | 10ºC |
| Exact Mass | 96.09390 |
| LogP | 2.36260 |
| Refractive Index | n20/D 1.436(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Customs & Trade Information
| HS Code | 2902199090 |
|---|---|
| Summary | 2902199090 other cyclanes, cyclenes and cyclotherpenes。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 Cyclopentane, ethenyl-?
The CAS number of Cyclopentane, ethenyl- is 3742-34-5.
What are the molecular formula and molecular weight of Cyclopentane, ethenyl-?
Cyclopentane, ethenyl- has molecular formula C7H12 and molecular weight 96.17020 g/mol.
Is Cyclopentane, ethenyl- hazardous?
Cyclopentane, ethenyl- has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of Cyclopentane, ethenyl-?
For Cyclopentane, ethenyl-, Upstream Products: Cyclopentylacetylene, Dichloromethane, Cyclopentylmagnesium chloride; Downstream Products: Cyclopentanecarboxylic acid, Cyclopentylacetic acid, Ethylcyclopentene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cyclopentane, ethenyl- (CAS 3742-34-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33001-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.