4-Bromo-2-ethylaniline
4-Bromo-2-ethylaniline (CAS: 45762-41-2) is an organic chemical compound with the formula BrC6H3(C2H5)NH2 and a molecular weight of 200.08 g/mol. This aromatic amine serves as a valuable intermediate and building block in organic synthesis. It is frequently utilised in the development of more complex molecules within the pharmaceutical and chemical research sectors, owing to its specific bromo- and ethyl- substituents on the aniline ring.

Organic Synthesis Intermediate
4-Bromo-2-ethylaniline is a key building block for constructing more complex organic molecules. Its reactive amine group and the presence of a bromine atom allow for diverse chemical transformations, making it useful in multi-step synthesis pathways.
Pharmaceutical Research
This compound finds application in the research and development of novel pharmaceutical agents. It can be incorporated into molecular scaffolds designed to interact with biological targets.
Chemical Manufacturing
As a fine chemical, 4-Bromo-2-ethylaniline is employed in the manufacturing processes of various speciality chemicals. Its structural features are leveraged to introduce specific functionalities into target compounds.
| Molecular weight | 200.08 |
|---|---|
| Linear formula | BrC6H3(C2H5)NH2 |
| Assay | 96% |
| Density | 1.412 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.597(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 45 °C / 113 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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-Bromo-2-ethylaniline used for?
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4-Bromo-2-ethylaniline is primarily used as an intermediate and building block in organic synthesis, particularly in pharmaceutical research and chemical manufacturing for creating more complex molecules.
What is the CAS number and chemical formula for 4-Bromo-2-ethylaniline?
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The CAS number for 4-Bromo-2-ethylaniline is 45762-41-2, and its chemical formula is BrC6H3(C2H5)NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-2-ethylaniline with an assay of 96%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated.
What are the main hazards associated with 4-Bromo-2-ethylaniline?
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4-Bromo-2-ethylaniline is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It requires careful handling using appropriate personal protective equipment.
How is 4-Bromo-2-ethylaniline packed, shipped, and exported?
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4-Bromo-2-ethylaniline is carefully packed according to international regulations for shipping and export. As a UN 1993C 3 / PGIII classified substance, specific transport guidelines are followed.
How can I request a sample or quote for 4-Bromo-2-ethylaniline?
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Please contact our sales team via the website or phone to request a sample or a quotation for 4-Bromo-2-ethylaniline.
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