α-Bromophenylacetic acid
α-Bromophenylacetic acid (CAS 4870-65-9), with the molecular formula C₆H₅CH(Br)CO₂H and a molar mass of 215.04 g/mol, is a key organic building block. This carboxylic acid derivative is characterised by the presence of both a bromine atom and a carboxyl group on the benzylic carbon. It serves as a versatile intermediate in organic synthesis, particularly for the construction of more complex molecules in pharmaceutical and chemical research sectors.
- IUPAC
- alpha-Bromophenylacetic acid

Organic Synthesis Intermediate
Utilised as a precursor in the synthesis of various organic compounds. Its reactive sites allow for diverse functional group transformations.
Pharmaceutical Research
Employed in the development of potential drug candidates. The phenylacetic acid backbone is found in numerous biologically active molecules.
Fine Chemical Manufacturing
Serves as a building block for speciality chemicals. It facilitates the introduction of the phenylacetyl moiety with a bromine handle for further elaboration.
| Molecular weight | 215.04 |
|---|---|
| Linear formula | C6H5CH(Br)CO2H |
| Assay | 98% |
| Melting point | 82-83 °C(lit.) |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-36/37 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 α-Bromophenylacetic acid used for?
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α-Bromophenylacetic acid is primarily used as an intermediate in organic synthesis, particularly in pharmaceutical research and the manufacturing of fine chemicals. It acts as a building block for creating more complex organic molecules.
What are the CAS number and molecular formula for α-Bromophenylacetic acid?
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The CAS number for α-Bromophenylacetic acid is 4870-65-9, and its molecular formula is C₆H₅CH(Br)CO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies α-Bromophenylacetic acid with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should α-Bromophenylacetic acid be handled?
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α-Bromophenylacetic acid is classified as Danger, causing severe skin burns and eye damage (H314) and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection. Ensure adequate ventilation and avoid contact with skin, eyes, and clothing.
Is α-Bromophenylacetic acid exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including α-Bromophenylacetic acid.
How can I request a sample or quote for α-Bromophenylacetic acid?
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To request a sample or a quote for α-Bromophenylacetic acid, please contact our sales team through the website or by phone, providing the product name and CAS number (4870-65-9).
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