4-Acetoxybenzoic acid
4-Acetoxybenzoic acid (CAS: 2345-34-8), with the molecular formula C9H8O4 and a molecular weight of 180.16 g/mol, is a derivative of benzoic acid. This compound is primarily utilised as an organic building block and intermediate in chemical synthesis. Its structural features lend themselves to further functionalisation, making it a valuable component in the preparation of various organic molecules and materials. Tech Serve Solutions supplies this chemical for research and industrial applications.

Preparation of Poly(4-hydroxybenzoate)
4-Acetoxybenzoic acid has been documented for its use in the synthesis of poly(4-hydroxybenzoate). This polymerisation reaction utilises the compound as a precursor, demonstrating its utility in material science and polymer chemistry.
Organic Synthesis Intermediate
As a functionalised aromatic compound, 4-Acetoxybenzoic acid serves as a versatile intermediate in multi-step organic syntheses. Its carboxylic acid and ester groups allow for a range of chemical transformations.
Research and Development
This chemical is valuable in R&D settings for exploring novel synthetic pathways and developing new chemical entities. Its availability supports academic and industrial research efforts.
| Molecular weight | 180.16 |
|---|---|
| Linear formula | CH3CO2C6H4CO2H |
| Assay | 96% |
| Application | 4-Acetoxybenzoic acid has been used in the preparation of poly(4-hydroxybenzoate)1. |
| Melting point | 190-194 °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-Acetoxybenzoic acid used for?
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4-Acetoxybenzoic acid is used as an intermediate in organic synthesis, notably in the preparation of poly(4-hydroxybenzoate), and for research and development purposes.
What are the CAS number and molecular formula for 4-Acetoxybenzoic acid?
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The CAS number for 4-Acetoxybenzoic acid is 2345-34-8, and its molecular formula is C9H8O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Acetoxybenzoic acid with a minimum assay of 96%. This is typically supplied as a technical or research grade, and we do not represent it as USP, BP, or EP grade.
What are the safety and handling recommendations for 4-Acetoxybenzoic acid?
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4-Acetoxybenzoic acid is classified as a GHS07 irritant (Warning). It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be worn. Handle in a well-ventilated area and avoid dust formation.
Does Tech Serve Solutions export 4-Acetoxybenzoic acid?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Acetoxybenzoic acid.
How can I request a quote or sample of 4-Acetoxybenzoic acid?
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To request a quote or sample of 4-Acetoxybenzoic acid, please contact our sales team through the website or by phone. Please specify the quantity required.
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