4-Bromophenethyl alcohol
4-Bromophenethyl alcohol (CAS: 4654-39-1), with the molecular formula BrC6H4CH2CH2OH and a molar mass of 201.06 g/mol, is a key organic building block. This brominated aromatic alcohol serves as a valuable intermediate in various chemical synthesis processes, particularly in the development of complex organic molecules and pharmaceutical research. Its structure makes it suitable for reactions requiring a phenethyl alcohol moiety with a para-substituted bromine atom, enabling further functionalization.
- IUPAC
- 2-(4-Bromophenyl)ethanol
- Synonyms
- 2-(4-Bromophenyl)ethanol

Organic Synthesis Intermediate
4-Bromophenethyl alcohol is employed as a versatile building block in organic synthesis. Its functional groups allow for diverse chemical transformations, facilitating the construction of more complex molecular architectures.
Pharmaceutical Research
This compound has been utilised in the synthesis pathways for novel pharmaceutical candidates. For example, it was used in the preparation of 4-(4-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenethoxy)quinazoline.
Material Science Precursor
The bromo-functionalised phenethyl alcohol structure can be incorporated into polymers or advanced materials, offering specific chemical or physical properties derived from its aromatic and reactive halogen components.
| Molecular weight | 201.06 |
|---|---|
| Linear formula | BrC6H4CH2CH2OH |
| Assay | 99% |
| Boiling point | 138 °C/9 mmHg(lit.) |
| Density | 1.436 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.573(lit.) |
| Application | 4-Bromophenethyl alcohol was used in the synthesis of 4-(4-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenethoxy)quinazoline1. |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 alcohol used for?
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4-Bromophenethyl alcohol is primarily used as an intermediate in organic synthesis and in pharmaceutical research for building more complex molecules.
What are the CAS number and chemical formula for 4-Bromophenethyl alcohol?
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The CAS number is 4654-39-1, and its chemical formula is BrC6H4CH2CH2OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromophenethyl alcohol with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 4-Bromophenethyl alcohol be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields, face shields, and gloves. Use in a well-ventilated area is recommended. Consult the Safety Data Sheet for detailed handling instructions, as it is classified as harmful if swallowed (H302).
Can Tech Serve Solutions export 4-Bromophenethyl alcohol?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Bromophenethyl alcohol.
How can I request a sample or quote for 4-Bromophenethyl alcohol?
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Please contact our sales team directly through our website or by phone to request a sample or a formal quotation for 4-Bromophenethyl alcohol.
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