Cyclopropylbenzene
Cyclopropylbenzene (CAS: 873-49-4; Formula: C6H5C3H5; MW: 118.18) is an aromatic hydrocarbon featuring a cyclopropyl group attached to a benzene ring. This organic compound is primarily utilised as a versatile building block in chemical synthesis. Its structure makes it valuable for introducing the cyclopropyl moiety into more complex molecules, finding applications in the development of pharmaceuticals and other fine chemicals.
- IUPAC
- Phenylcyclopropane
- Synonyms
- Phenylcyclopropane

Organic Synthesis Intermediate
Cyclopropylbenzene serves as a key intermediate in the synthesis of various organic compounds. Its reactivity allows for functionalization, making it a useful starting material for creating novel molecular architectures.
Pharmaceutical Research and Development
This compound is employed in R&D for new drug discovery. The cyclopropyl group can influence the pharmacokinetic and pharmacodynamic properties of potential drug candidates.
Material Science
It may be utilized in the development of specialized polymers or materials where its unique structural features can impart desired properties.
| Molecular weight | 118.18 |
|---|---|
| Linear formula | C6H5C3H5 |
| Assay | 97% |
| Boiling point | 173.6 °C/753 mmHg(lit.) |
| Density | 0.94 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.533(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 44 °C / 111.2 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16 |
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 Cyclopropylbenzene primarily used for?
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Cyclopropylbenzene is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and development for creating complex molecules.
What are the CAS number and chemical formula for Cyclopropylbenzene?
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The CAS number for Cyclopropylbenzene is 873-49-4 and its chemical formula is C6H5C3H5.
What grade and purity does Tech Serve Solutions supply for Cyclopropylbenzene?
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Tech Serve Solutions supplies Cyclopropylbenzene with an assay of 97%. We do not represent this product as meeting any pharmacopoeia standards such as USP, BP, or EP.
How should Cyclopropylbenzene be handled safely?
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Cyclopropylbenzene is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, face shields, and suitable gloves. Ensure adequate ventilation and keep away from ignition sources. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is Cyclopropylbenzene a controlled substance?
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The provided data does not indicate that Cyclopropylbenzene is a controlled substance.
How is Cyclopropylbenzene packed, shipped, and exported?
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Cyclopropylbenzene is shipped according to UN 3295C 3 / PGIII regulations. Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping and customs requirements.
How can I request a sample or quote for Cyclopropylbenzene?
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To request a sample or a quote for Cyclopropylbenzene, please contact our sales team via the details provided on the Tech Serve Solutions website.
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