1-Allyl-2-bromobenzene
1-Allyl-2-bromobenzene (CAS: 42918-20-7) is an aromatic organic compound with the molecular formula C9H9Br. This halogenated hydrocarbon serves as a valuable building block in organic synthesis. It is frequently employed in research and development laboratories for creating more complex molecular structures. Supplied by Tech Serve Solutions, it is known for its utility in chemical transformations and as a precursor in various synthetic pathways.
- IUPAC
- 2-Bromo-1-allylbenzene,2-Allylbromobenzene,2-Allylphenyl bromide,o-Allylbromobenzene
- Synonyms
- 2-Allylphenyl bromide2-Allyl-1-bromobenzeneo-Allylphenyl bromide

Organic Synthesis Intermediate
This compound is a key intermediate in the synthesis of diverse organic molecules. Its structure allows for various functional group transformations, making it useful in multi-step synthetic processes.
Research and Development
Utilised in academic and industrial R&D settings, 1-Allyl-2-bromobenzene facilitates the exploration of new chemical reactions and the development of novel compounds.
Building Block for Complex Molecules
As a versatile building block, it enables the construction of larger and more intricate molecular architectures, particularly in areas requiring aryl and allyl functionalities.
| Molecular weight | 197.07 |
|---|---|
| Empirical formula | C9H9Br |
| Assay | 97% |
| Density | 1.311 g/mL at 25 °C |
| Refractive index | n20/D 1.559 |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Flash point | 93 °C / 199.4 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
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 1-Allyl-2-bromobenzene used for?
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1-Allyl-2-bromobenzene is primarily used as an intermediate and building block in organic synthesis and research and development.
What is the CAS number and formula for 1-Allyl-2-bromobenzene?
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The CAS number is 42918-20-7, and its molecular formula is C9H9Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Allyl-2-bromobenzene with a minimum purity of 97%. This is a research or technical grade chemical, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should 1-Allyl-2-bromobenzene be handled?
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1-Allyl-2-bromobenzene is classified as harmful if swallowed and causes serious eye irritation (H302-H319). Handle with appropriate personal protective equipment in a well-ventilated area, and avoid contact with eyes and skin. In case of contact, follow precautionary statements (P305 + P351 + P338).
Is 1-Allyl-2-bromobenzene available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Allyl-2-bromobenzene.
How can I request a sample or quote for 1-Allyl-2-bromobenzene?
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To request a sample or quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
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