2,3-Benzofurandicarboxylic acid
2,3-Benzofurandicarboxylic acid (CAS: 131-76-0) is a chemical compound with the molecular formula C10H6O5 and a molecular weight of 206.15 g/mol. This heterocyclic building block features a benzofuran core functionalised with two carboxylic acid groups. It is primarily utilised as an intermediate in organic synthesis and chemical research, contributing to the development of novel compounds and materials.
- Synonyms
- C10H6O52,3-Furandicarboxylic acid, 1,2-benzofused

Organic Synthesis Intermediate
2,3-Benzofurandicarboxylic acid serves as a valuable building block in the synthesis of more complex organic molecules. Its reactive carboxylic acid groups allow for diverse chemical transformations.
Research and Development
This compound is employed in research laboratories for exploring new chemical pathways and developing novel derivatives with potential applications in various scientific fields.
Heterocyclic Chemistry
As a benzofuran derivative, it is of interest in heterocyclic chemistry for creating specialised structures and investigating their properties.
| Molecular weight | 206.15 |
|---|---|
| Empirical formula | C10H6O5 |
| Assay | 97% |
| Melting point | 255-259 °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 2,3-Benzofurandicarboxylic acid used for?
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2,3-Benzofurandicarboxylic acid is primarily used as an intermediate in organic synthesis and in research and development for creating novel compounds and materials. It is particularly relevant in heterocyclic chemistry.
What is the CAS number and formula for 2,3-Benzofurandicarboxylic acid?
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The CAS number for 2,3-Benzofurandicarboxylic acid is 131-76-0, and its empirical formula is C10H6O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Benzofurandicarboxylic acid with an assay of 97%. This is a technical or research grade material, and we do not represent it as USP, BP, or EP grade.
How should 2,3-Benzofurandicarboxylic acid be handled safely?
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Handle 2,3-Benzofurandicarboxylic acid with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is classified as a Warning substance (GHS07) with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation).
How is 2,3-Benzofurandicarboxylic acid packed and exported?
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Tech Serve Solutions professionally packs and exports chemicals globally, ensuring secure and compliant transit.
How can I request a sample or quote for 2,3-Benzofurandicarboxylic acid?
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To request a sample or a quote, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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