4-Bromophenethyl bromide
4-Bromophenethyl bromide (CAS: 1746-28-7), with the molecular formula BrC6H4CH2CH2Br and a molecular weight of 263.96 g/mol, is a brominated aromatic compound. It serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and fine chemical industries. Its structure facilitates diverse chemical transformations, making it a key intermediate for creating more complex molecular architectures.
- IUPAC
- 1-Bromo-4-(2-bromoethyl)benzene,4-Bromo-1-(2-bromoethyl)benzene

Organic Synthesis Intermediate
This compound is extensively used as a versatile intermediate in the synthesis of complex organic molecules. Its two bromine atoms allow for selective functionalization and coupling reactions.
Pharmaceutical Research
It acts as a crucial building block in the development of novel pharmaceutical agents. Researchers utilise its reactive nature to construct drug candidates with specific therapeutic properties.
Material Science
The bromo-aryl and bromo-ethyl functionalities can be exploited in the synthesis of specialised polymers and materials with unique electronic or structural characteristics.
| Molecular weight | 263.96 |
|---|---|
| Linear formula | BrC6H4CH2CH2Br |
| Assay | 96% |
| Boiling point | 97-98.5 °C/1 mmHg(lit.) |
| Density | 1.7272 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5954(lit.) |


Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-51/53 |
| 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-Bromophenethyl bromide used for?
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4-Bromophenethyl bromide is primarily used as an intermediate in organic synthesis, particularly in the pharmaceutical and fine chemical sectors for the construction of complex molecules and drug candidates.
What are the CAS number and chemical formula for 4-Bromophenethyl bromide?
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The CAS number is 1746-28-7, and the chemical formula is BrC6H4CH2CH2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromophenethyl bromide with an assay of 96%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
What are the key safety considerations for 4-Bromophenethyl bromide?
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4-Bromophenethyl bromide is classified with GHS07 and GHS09 symbols, carrying a Warning signal word. It is harmful if swallowed (H302), causes serious eye irritation (H319), and is toxic to aquatic life with long-lasting effects (H411). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used.
Is 4-Bromophenethyl bromide a controlled substance?
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The provided data does not indicate that 4-Bromophenethyl bromide is a controlled substance. Standard handling procedures for chemical reagents apply.
How can I request a sample or quote for 4-Bromophenethyl bromide?
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To request a sample or a quotation for 4-Bromophenethyl bromide, please contact our sales department through the website or via direct inquiry, providing your contact details and requirements.
How is 4-Bromophenethyl bromide shipped and exported?
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4-Bromophenethyl bromide is classified under UN 3082, Hazard Class 9, Packing Group III for transport. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant shipping and customs regulations.
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