1-Bromo-4-ethylbenzene
1-Bromo-4-ethylbenzene (CAS: 1585-07-5; Formula: C2H5C6H4Br; Molar Mass: 185.06 g/mol) is a halogenated aromatic hydrocarbon. This versatile chemical building block serves as a valuable intermediate in organic synthesis, particularly in the development of pharmaceuticals and specialty chemicals. Its structure, featuring a bromine atom on an ethyl-substituted benzene ring, allows for diverse functionalization and coupling reactions.

Organic Synthesis Intermediate
1-Bromo-4-ethylbenzene is employed as a key intermediate in the synthesis of more complex organic molecules. The bromo- substituent readily participates in cross-coupling reactions like Suzuki and Heck couplings, enabling the formation of new carbon-carbon bonds.
Pharmaceutical Research
This compound is utilised in the research and development of novel pharmaceutical agents. Its aryl bromide functionality can be incorporated into various molecular scaffolds relevant to drug discovery.
Specialty Chemical Manufacturing
It finds application in the production of speciality chemicals, where precise molecular architecture is required. The ethylbenzene moiety provides a specific structural element for targeted applications.
| Molecular weight | 185.06 |
|---|---|
| Linear formula | C2H5C6H4Br |
| Assay | 97% |
| Boiling point | 204 °C(lit.) |
| Density | 1.343 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.544(lit.) |
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 63 °C / 145.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
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-Bromo-4-ethylbenzene primarily used for?
+
1-Bromo-4-ethylbenzene is primarily used as an intermediate in organic synthesis, particularly for pharmaceuticals and specialty chemicals, due to its aryl bromide functionality which is amenable to various coupling reactions.
What are the CAS number and chemical formula for 1-Bromo-4-ethylbenzene?
+
The CAS number for 1-Bromo-4-ethylbenzene is 1585-07-5, and its chemical formula is C2H5C6H4Br.
What grade and purity does Tech Serve Solutions supply for 1-Bromo-4-ethylbenzene?
+
Tech Serve Solutions supplies 1-Bromo-4-ethylbenzene with an assay of 97%. This product is suitable for research and chemical synthesis and is not represented as USP, BP, or EP grade.
What are the main safety hazards associated with 1-Bromo-4-ethylbenzene?
+
1-Bromo-4-ethylbenzene is a combustible liquid with a flash point of 63 °C (145.4 °F). It requires careful handling to avoid ignition sources and appropriate personal protective equipment, including eyeshields and suitable gloves, should be worn.
Does Tech Serve Solutions export 1-Bromo-4-ethylbenzene?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Bromo-4-ethylbenzene, and can fulfil export orders.
How can I request a sample or quote for 1-Bromo-4-ethylbenzene?
+
To request a sample or a quote for 1-Bromo-4-ethylbenzene, please contact our sales team through the website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis