4-(Thiophen-2-yl)benzoic acid
4-(Thiophen-2-yl)benzoic acid (CAS: 29886-62-2, C11H8O2S) is a versatile organic compound with a molecular weight of 204.25 g/mol. Possessing a thiophene ring coupled with a benzoic acid moiety, it serves as a valuable building block in organic synthesis. Its chemical structure makes it suitable for applications in the development of novel materials and pharmaceutical intermediates, contributing to advancements in chemical research and development.
- IUPAC
- 4-(2-Thienyl)benzoic acid
- Synonyms
- 4-(2-Thienyl)benzoic acid

Organic Synthesis
This compound is a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations, making it a staple in research and development laboratories.
Materials Science
The unique structural features of 4-(Thiophen-2-yl)benzoic acid lend themselves to applications in materials science. It can be incorporated into polymers or other advanced materials with specific electronic or optical properties.
Pharmaceutical Intermediates
As a heterocyclic building block, it is employed in the synthesis pathways for potential pharmaceutical agents. Its structure can be modified to explore new drug candidates.
| Molecular weight | 204.25 |
|---|---|
| Empirical formula | C11H8O2S |
| Assay | 97% |
| Melting point | 238-243 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| 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-(Thiophen-2-yl)benzoic acid used for?
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4-(Thiophen-2-yl)benzoic acid is primarily used as a building block in organic synthesis, for applications in materials science, and as an intermediate in the development of potential pharmaceutical compounds.
What are the CAS number and molecular formula?
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The CAS number for 4-(Thiophen-2-yl)benzoic acid is 29886-62-2, and its molecular formula is C11H8O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Thiophen-2-yl)benzoic acid with a minimum assay of 97%. This product is supplied for laboratory and research purposes and is not represented as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling considerations for this compound?
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This compound is classified as harmful if swallowed and causes serious eye irritation (H302, H319). It requires handling with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation.
How is 4-(Thiophen-2-yl)benzoic acid packaged and shipped?
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4-(Thiophen-2-yl)benzoic acid is carefully packaged to ensure its integrity during transit. Tech Serve Solutions is a global supplier and exporter, adhering to all necessary regulations for international chemical shipments.
How can I request a sample or quote?
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To request a sample or a quotation for 4-(Thiophen-2-yl)benzoic acid, please use the contact form on our website or email our sales department directly. Please specify the quantity required.
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