4-Methylphenethyl bromide
4-Methylphenethyl bromide (CAS 6529-51-7), with the chemical formula C9H11Br, is a halogenated hydrocarbon and an organic building block. This compound, weighing 199.09 g/mol, serves as a key intermediate in various chemical syntheses. Its primary utility lies in its role as a versatile reagent for introducing the 4-methylphenethyl moiety into target molecules, facilitating the development of more complex chemical structures.
- IUPAC
- 4-(2-Bromoethyl)toluene,4-Methyl-1-(2-bromoethyl)benzene

Organic Synthesis Intermediate
4-Methylphenethyl bromide is a valuable building block in organic chemistry. It is commonly employed in alkylation reactions to introduce the 4-methylphenethyl group, enabling the construction of diverse organic molecules.
Pharmaceutical Research
This compound can be utilised in the synthesis of potential pharmaceutical intermediates and drug candidates. Its structure lends itself to modification for developing novel therapeutic agents.
Material Science
As a functionalised aromatic compound, 4-Methylphenethyl bromide may find applications in the development of specialised polymers or materials requiring specific aryl halide functionalities.
| Molecular weight | 199.09 |
|---|---|
| Linear formula | CH3C6H4CH2CH2Br |
| Assay | 97% |
| Boiling point | 100-101 °C/9 mmHg |
| Density | 1.306 g/mL at 25 °C |
| Refractive index | n20/D 1.550 |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| 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 |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-37/38-41-51/53 |
| Safety statements (S) | 26-39-61 |
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-Methylphenethyl bromide primarily used for?
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4-Methylphenethyl bromide (CAS 6529-51-7) is primarily used as a building block in organic synthesis, particularly for introducing the 4-methylphenethyl group into target molecules for the development of more complex chemical structures.
What are the CAS number and chemical formula for 4-Methylphenethyl bromide?
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The CAS number for 4-Methylphenethyl bromide is 6529-51-7, and its chemical formula is C9H11Br.
What grade and purity does Tech Serve Solutions supply for 4-Methylphenethyl bromide?
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Tech Serve Solutions supplies 4-Methylphenethyl bromide with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Methylphenethyl bromide be handled safely?
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4-Methylphenethyl bromide is classified as Danger, with hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used. Handle in a well-ventilated area.
Is 4-Methylphenethyl bromide eligible for international export?
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Yes, Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals, including 4-Methylphenethyl bromide, adhering to all necessary regulations for international shipment.
How can I request a sample or quote for 4-Methylphenethyl bromide?
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To request a sample or a quote for 4-Methylphenethyl bromide, please contact the Tech Serve Solutions sales team through the provided contact information on our website.
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