4-(2-Bromophenyl)-2-methyl-1-butene
4-(2-Bromophenyl)-2-methyl-1-butene (CAS: 130955-17-8, C11H13Br) is a halogenated organic building block with a molecular weight of 225.12 g/mol. It serves as a versatile intermediate in organic synthesis and chemical research. This compound, typically supplied at 97% assay, is valuable for constructing more complex molecules, particularly in the fields of advanced materials and pharmaceutical research.
- IUPAC
- 1-Bromo-2-(3-methyl-3-butenyl)benzene

Organic Synthesis Intermediate
This compound is employed as a building block in multi-step organic syntheses. Its specific structure allows for targeted functionalization and elaboration into diverse molecular architectures.
Research and Development
Utilised in R&D settings for exploring novel chemical pathways and developing new synthetic methodologies. Its reactive bromine atom and alkene functionality offer sites for various chemical transformations.
Fine Chemical Production
Serves as a precursor in the synthesis of fine chemicals and potentially pharmaceutical intermediates. The bromo-phenyl and alkenyl moieties are key structural features for further chemical modification.
| Molecular weight | 225.12 |
|---|---|
| Empirical formula | C11H13Br |
| Assay | 97% |
| Density | 1.215 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5430(lit.) |

Hazard statements
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 105 °C / 221 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 50/53 |
| Safety statements (S) | 60-61 |
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 4-(2-Bromophenyl)-2-methyl-1-butene used for?
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4-(2-Bromophenyl)-2-methyl-1-butene is primarily used as a versatile intermediate in organic synthesis and chemical research for building more complex molecules.
What are the CAS number and chemical formula for this compound?
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The CAS number is 130955-17-8 and the empirical formula is C11H13Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound at an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-(2-Bromophenyl)-2-methyl-1-butene be handled safely?
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This compound is classified as hazardous to the aquatic environment (H410). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Avoid release into the environment. Observe all precautionary statements (P273-P501).
How is this chemical packed and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring compliant packing and shipping for international delivery. Please contact us for specific export details.
How can I request a sample or quote for 4-(2-Bromophenyl)-2-methyl-1-butene?
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To request a sample or obtain a quotation, please use the enquiry form on our website or contact our sales team directly.
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