(Bromomethyl)cyclopropane
(Bromomethyl)cyclopropane (CAS 7051-34-5, C3H5CH2Br) is a halogenated hydrocarbon and organic building block supplied by Tech Serve Solutions. With a molecular weight of 135.00 g/mol, this compound is primarily utilised as a synthetic intermediate. Its key application involves the introduction of the cyclopropylmethyl group into various organic molecules, making it valuable in chemical synthesis and research laboratories.
- IUPAC
- Cyclopropylmethyl bromide

Cyclopropylmethyl Group Introduction
This compound serves as a crucial building block for incorporating the cyclopropylmethyl moiety into more complex organic structures. Its reactivity allows for efficient functionalization in multi-step syntheses.
Iron-Catalyzed Cross-Coupling
It has been employed in iron-catalyzed cross-coupling reactions with alkenyl Grignard reagents. This application facilitates the synthesis of specific 1,4-diene structures.
Organic Synthesis
As a reactive alkyl halide, (Bromomethyl)cyclopropane is a versatile reagent for various organic transformations, enabling the creation of novel compounds in research and development.
| Molecular weight | 135.00 |
|---|---|
| Linear formula | C3H5CH2Br |
| Assay | 97% |
| Boiling point | 105-107 °C(lit.) |
| Density | 1.392 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.457(lit.) |
| Application | (Bromomethyl)cyclopropane was used as a synthetic building block for the introduction of the cyclopropylmethyl group1,2,3. It was also used in the synthesis of 1,4-dienes via iron-catalyzed cross-coupling with alkenyl Grignard reagents4. |

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 | 41 °C / 105.8 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 23-24/25 |
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 (Bromomethyl)cyclopropane used for?
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(Bromomethyl)cyclopropane is used as a synthetic building block for introducing the cyclopropylmethyl group and in the synthesis of 1,4-dienes via iron-catalyzed cross-coupling.
What is the CAS number and formula for (Bromomethyl)cyclopropane?
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The CAS number is 7051-34-5 and the chemical formula is C3H5CH2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Bromomethyl)cyclopropane with an assay of 97%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should (Bromomethyl)cyclopropane be handled?
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(Bromomethyl)cyclopropane is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area.
How is (Bromomethyl)cyclopropane packed and shipped?
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(Bromomethyl)cyclopropane is shipped as UN 1993, Class 3, Packing Group III. Specific packing configurations are available based on customer requirements and international shipping regulations.
How can I request a sample or quote for (Bromomethyl)cyclopropane?
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Please contact our sales team directly to request a sample or obtain a quotation for (Bromomethyl)cyclopropane. Details can be found on the Tech Serve Solutions website.
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