4-Butoxyphenylacetic acid
4-Butoxyphenylacetic acid (CAS: 4547-57-3), with the molecular formula C12H16O3 and a molecular weight of 208.25 g/mol, is a valuable organic compound. This carboxylic acid serves as a key building block in chemical synthesis. Its structure lends itself to various derivatizations and applications within organic chemistry research and development. Tech Serve Solutions supplies this fine chemical for laboratory and industrial applications.

Chemical Synthesis Intermediate
4-Butoxyphenylacetic acid is utilised as a precursor or intermediate in the synthesis of more complex organic molecules. Its reactive functional groups allow for diverse chemical transformations.
Research and Development
This compound finds application in R&D laboratories for exploring novel synthetic pathways and developing new chemical entities. Its defined structure makes it suitable for systematic chemical studies.
Organic Building Block
As an organic building block, 4-Butoxyphenylacetic acid provides a versatile scaffold for constructing target molecules across various fields of chemistry.
| Molecular weight | 208.25 |
|---|---|
| Empirical formula | C12H16O3 |
| Assay | ≥98.0% (HPLC) |
| Application | 4-Butoxyphenylacetic acid may be used in chemical synthesis studies. |
| Melting point | 80-85 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | 2 |
| 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-Butoxyphenylacetic acid used for?
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4-Butoxyphenylacetic acid is primarily used as an intermediate and building block in chemical synthesis and research and development.
What is the CAS number and molecular formula for 4-Butoxyphenylacetic acid?
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The CAS number is 4547-57-3 and the molecular formula is C12H16O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Butoxyphenylacetic acid with a minimum purity of 98.0% as determined by HPLC. TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.
What are the safety precautions for handling 4-Butoxyphenylacetic acid?
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Based on GHS information, 4-Butoxyphenylacetic acid is classified with Warning signal word, with hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Recommended PPE includes a dust mask type N95, eyeshields, and gloves.
Is 4-Butoxyphenylacetic acid a controlled substance?
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The provided data does not indicate that 4-Butoxyphenylacetic acid is a controlled substance.
How is 4-Butoxyphenylacetic acid packed and shipped?
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Tech Serve Solutions expertly packs and exports chemicals globally, adhering to strict international shipping regulations to ensure safe and secure delivery.
How can I request a quote or sample for 4-Butoxyphenylacetic acid?
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Please contact our sales team via the website or email to request a quote or sample of 4-Butoxyphenylacetic acid.
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