4-Bromo-2-fluorobenzaldehyde
4-Bromo-2-fluorobenzaldehyde (CAS: 57848-46-1), with the molecular formula BrC6H3(F)CHO and a molecular weight of 203.01 g/mol, is a key organic building block. This halogenated aromatic aldehyde is primarily utilised as an intermediate in the synthesis of complex organic molecules. Its specific structural features, including the bromine and fluorine substituents alongside the aldehyde group, make it valuable in fine chemical synthesis and the development of novel compounds.

Pharmaceutical Intermediate
This compound serves as a crucial intermediate in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its reactive aldehyde group and halogenated aromatic ring allow for diverse chemical transformations.
Agrochemical Synthesis
4-Bromo-2-fluorobenzaldehyde is employed in the development of new agrochemicals, contributing to the creation of pesticides and herbicides. The fluorine and bromine atoms can influence the biological activity and persistence of the final product.
Materials Science Research
The unique electronic properties imparted by the fluorine and bromine substituents make this molecule a potential building block for novel organic electronic materials and polymers. It can be incorporated into structures for advanced material applications.
Fine Chemical Synthesis
As a versatile organic building block, it is used in academic and industrial research laboratories for the synthesis of various fine chemicals and specialised organic compounds. Its structure offers multiple reaction pathways.
| Molecular weight | 203.01 |
|---|---|
| Linear formula | BrC6H3(F)CHO |
| Assay | 96% |
| Melting point | 58-62 °C(lit.) |

Hazard statements
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-fluorobenzaldehyde used for?
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4-Bromo-2-fluorobenzaldehyde is primarily used as a chemical intermediate in the synthesis of pharmaceuticals, agrochemicals, and other fine organic compounds. It is a valuable building block in organic synthesis.
What is the CAS number and molecular formula for 4-Bromo-2-fluorobenzaldehyde?
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The CAS number for 4-Bromo-2-fluorobenzaldehyde is 57848-46-1, and its molecular formula is BrC6H3(F)CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-2-fluorobenzaldehyde with a minimum assay of 96%. This product is suitable for research and industrial synthesis and is not represented as USP, BP, or EP grade.
How should 4-Bromo-2-fluorobenzaldehyde be handled safely?
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Handling requires appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure good ventilation, avoid inhalation of dust, and prevent contact with skin and eyes, as it can cause skin irritation, eye irritation, and respiratory irritation (H315-H319-H335).
How is 4-Bromo-2-fluorobenzaldehyde packed, shipped, and exported?
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4-Bromo-2-fluorobenzaldehyde is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions in compliance with all relevant shipping regulations for chemical products.
How can I request a quote or sample for 4-Bromo-2-fluorobenzaldehyde?
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To request a quote or a sample of 4-Bromo-2-fluorobenzaldehyde, please contact the Tech Serve Solutions sales team via our website or direct contact details, specifying the product CAS number 57848-46-1.
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