4-Bromophenylacetic acid
4-Bromophenylacetic acid (CAS: 1878-68-8, Formula: BrC6H4CH2CO2H) is a key organic intermediate with a molecular weight of 215.04 g/mol. This carboxylic acid derivative is primarily utilised as a building block in chemical synthesis. It serves as a valuable reagent for constructing more complex molecules in research and development settings, particularly within organic chemistry and material science laboratories.

Analytical Standard
4-Bromophenylacetic acid has been employed as an analytical standard in the quantitative extraction of nonylphenol polyethoxy carboxylates from environmental samples, specifically sludge. This application highlights its use in precise analytical methodologies.
Organic Synthesis Intermediate
As a functionalised aromatic compound, it acts as a versatile building block for synthesising a range of organic molecules. Its structure allows for various chemical transformations essential in pharmaceutical and fine chemical research.
Research and Development
This compound is frequently used in academic and industrial R&D laboratories for exploring novel chemical pathways and developing new materials or active pharmaceutical ingredients.
| Molecular weight | 215.04 |
|---|---|
| Linear formula | BrC6H4CH2CO2H |
| Assay | 98% |
| Solubility | ethanol: soluble5%, clear, colorless to light yellow |
| Application | 4-Bromophenylacetic acid was used as standard in the extraction of nonylphenol polyethoxy carboxylates with 1-4 ethoxy groups from sludge samples1. |
| Melting point | 114-117 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| 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-Bromophenylacetic acid used for?
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4-Bromophenylacetic acid is primarily used as a building block in chemical synthesis and as an analytical standard, for example, in the extraction of nonylphenol polyethoxy carboxylates.
What is the CAS number and chemical formula for 4-Bromophenylacetic acid?
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The CAS number is 1878-68-8 and the chemical formula is BrC6H4CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromophenylacetic acid with a minimum assay of 98%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should 4-Bromophenylacetic acid be handled safely?
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4-Bromophenylacetic acid is harmful if swallowed (H302). When handling, it is recommended to use a dust mask type N95 (US), wear eyeshields, and use gloves. Ensure adequate ventilation.
Is 4-Bromophenylacetic acid a controlled substance?
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Based on the provided data, 4-Bromophenylacetic acid is not indicated as a controlled substance.
How is 4-Bromophenylacetic acid packed and exported?
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As a global supplier, Tech Serve Solutions reliably packs and exports 4-Bromophenylacetic acid to research institutions and chemical companies worldwide.
How can I request a quote or sample for 4-Bromophenylacetic acid?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your details and the product CAS number (1878-68-8).
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