Vinylcyclopentane
Vinylcyclopentane (CAS: 3742-34-5), with the molecular formula C7H12 and a molecular weight of 96.17 g/mol, is a cyclic alkene. It serves as a versatile monomer and intermediate in various chemical syntheses, particularly within materials science and polymer research. Its reactive vinyl group allows for participation in polymerisation reactions, contributing to the development of novel materials with specific properties. Tech Serve Solutions supplies this compound for research and industrial applications.

Monomer for Polymer Synthesis
Vinylcyclopentane can be polymerised to create unique poly(vinylcyclopentane) materials. These polymers may exhibit distinct thermal and mechanical properties due to the presence of the cyclopentyl ring, making them suitable for specialised material applications.
Organic Synthesis Intermediate
The vinyl group and the cyclopentane ring offer reactive sites for various organic transformations. It can be used as a building block in the synthesis of more complex molecules, including pharmaceuticals and specialty chemicals.
Materials Science Research
As a functionalised cyclic olefin, Vinylcyclopentane is employed in research settings to explore new polymer architectures and functional materials. Its incorporation can modify polymer backbone characteristics and surface properties.
| Molecular weight | 96.17 |
|---|---|
| Linear formula | C5H9CH=CH2 |
| Assay | 99% |
| Boiling point | 97 °C(lit.) |
| Density | 0.704 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.436(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 10 °C / 50 °F |
| Transport (UN / ADR) | UN 3295BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-29-33 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Vinylcyclopentane used for?
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Vinylcyclopentane is primarily used as a monomer in polymer synthesis and as an intermediate in organic chemistry, particularly within materials science and polymer research.
What is the CAS number and formula for Vinylcyclopentane?
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The CAS number for Vinylcyclopentane is 3742-34-5, and its molecular formula is C7H12.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Vinylcyclopentane with a purity of 99%. This product is intended for research and industrial use and is not represented as USP, BP, or EP grade.
How should Vinylcyclopentane be handled safely?
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Vinylcyclopentane is a highly flammable liquid (H225). Handle with appropriate personal protective equipment, including eyeshields and chemical-resistant gloves, in a well-ventilated area away from ignition sources. Refer to the safety data sheet for comprehensive handling instructions.
How is Vinylcyclopentane packaged and shipped?
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Vinylcyclopentane is shipped according to international regulations for hazardous materials, including UN 3295, Packing Group II. Storage at 2-8°C is recommended. Please contact us for specific export and shipping details.
How can I request a quote or sample?
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To request a quote or sample of Vinylcyclopentane, please use the contact form on our website or reach out to our sales department directly.
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