4-Bromobenzoyl chloride
4-Bromobenzoyl chloride (CAS: 586-75-4), with the linear formula BrC6H4COCl and a molecular weight of 219.46 g/mol, is a key organic building block. This acid halide is vital in chemical synthesis, serving as a versatile intermediate for the creation of more complex molecules. It is primarily used in research and industrial applications requiring the introduction of the 4-bromobenzoyl moiety into various organic structures.

Organic Synthesis Intermediate
Serves as a crucial intermediate in organic synthesis, enabling the formation of esters, amides, and ketones. Its reactivity makes it valuable for introducing the 4-bromobenzoyl group into target molecules.
Pharmaceutical Building Block
Utilised in the development of pharmaceutical compounds, where the brominated aromatic ring can be further functionalised or incorporated into drug candidates.
Material Science Applications
Can be employed in the synthesis of specialised polymers and materials, leveraging the properties imparted by the bromo-substituted benzoyl structure.
| Molecular weight | 219.46 |
|---|---|
| Linear formula | BrC6H4COCl |
| Assay | 98% |
| Boiling point | 174 °C/102 mmHg(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 36-39 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-37 |
| Safety statements (S) | 26-36/37/39-45 |
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-Bromobenzoyl chloride primarily used for?
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4-Bromobenzoyl chloride (CAS: 586-75-4) is primarily used as a versatile intermediate in organic synthesis, particularly for introducing the 4-bromobenzoyl group into other molecules, and as a building block in pharmaceutical and material science research.
What is the CAS number and chemical formula for 4-Bromobenzoyl chloride?
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The CAS number for 4-Bromobenzoyl chloride is 586-75-4, and its linear formula is BrC6H4COCl.
What grade and purity does Tech Serve Solutions supply for 4-Bromobenzoyl chloride?
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Tech Serve Solutions supplies 4-Bromobenzoyl chloride with a minimum assay of 98%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 4-Bromobenzoyl chloride be handled safely?
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4-Bromobenzoyl chloride is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment, including eyeshields, face shields, suitable gloves, and respiratory protection, in a well-ventilated area.
How is 4-Bromobenzoyl chloride packed and shipped?
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4-Bromobenzoyl chloride is shipped as UN 3261, Class 8, Packing Group II, adhering to strict international regulations for hazardous material transport. TSS exports globally, ensuring compliance with all relevant shipping and customs requirements.
How can I request a quote or sample for 4-Bromobenzoyl chloride?
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To request a quote or sample of 4-Bromobenzoyl chloride, please contact our sales team via the website or directly by phone. We are happy to assist with your specific requirements.
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