4-Bromobenzonitrile
4-Bromobenzonitrile (CAS: 623-00-7), with the molecular formula BrC6H4CN and a molecular weight of 182.02 g/mol, is a valuable organic compound. This brominated aromatic nitrile serves as a key building block in organic synthesis. It is frequently employed in the development of complex molecules within the pharmaceutical and agrochemical industries, owing to its reactive nitrile and bromo functionalities, facilitating diverse chemical transformations.

Organic Synthesis Intermediate
4-Bromobenzonitrile is widely used as an intermediate in the synthesis of more complex organic molecules. Its structure, featuring both a nitrile group and a bromine atom on a benzene ring, allows for various chemical modifications and coupling reactions.
Pharmaceutical Research
This compound finds application in medicinal chemistry for the development of novel pharmaceutical agents. The benzonitrile scaffold is present in various bioactive molecules, and the bromine substituent offers a convenient handle for further functionalization.
Agrochemical Development
In the agrochemical sector, 4-Bromobenzonitrile can be utilised in the synthesis of new pesticides, herbicides, and fungicides. Its structural features are valuable for creating compounds with targeted biological activity.
Material Science
The unique electronic properties conferred by the nitrile and bromoaryl groups make 4-Bromobenzonitrile a potential precursor for advanced materials and functional polymers.
| Molecular weight | 182.02 |
|---|---|
| Linear formula | BrC6H4CN |
| Assay | ≥98.0% (GC) |
| Boiling point | 235-237 °C(lit.) |
| Melting point | 110-115 °C(lit.)110-115 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3439 6.1 / PGIII |
| 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-Bromobenzonitrile used for?
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4-Bromobenzonitrile is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and advanced materials. Its reactive functional groups allow for diverse chemical transformations.
What are the CAS number and formula for 4-Bromobenzonitrile?
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The CAS number for 4-Bromobenzonitrile is 623-00-7, and its linear formula is BrC6H4CN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromobenzonitrile with an assay of ≥98.0% (GC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated otherwise in the product specifications.
How should 4-Bromobenzonitrile be handled safely?
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Handling 4-Bromobenzonitrile requires appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves. It is classified with the GHS06 symbol and the signal word 'Danger', with hazard statement H301 (Toxic if swallowed) and European risk statement R22 (Harmful if swallowed). Always consult the Safety Data Sheet (SDS) before use.
Is 4-Bromobenzonitrile a controlled substance?
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The provided data does not indicate that 4-Bromobenzonitrile is a controlled substance. However, users should verify local regulations.
How is 4-Bromobenzonitrile packed, shipped, and exported?
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4-Bromobenzonitrile is packed in accordance with safety and transport regulations, including UN 3439, Class 6.1, Packing Group III. Tech Serve Solutions is experienced in exporting fine chemicals globally.
How can I request a quote or sample for 4-Bromobenzonitrile?
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To request a quote or sample of 4-Bromobenzonitrile, please contact our sales team through the website or by phone, providing your specific requirements.
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