2-Furoic acid
2-Furoic acid (CAS 88-14-2), with the molecular formula C5H4O3, is a furan derivative characterised by a carboxylic acid group attached to the furan ring. This heterocyclic compound serves as a valuable building block in organic synthesis, particularly for constructing more complex molecules. It finds utility in the chemical industry as an intermediate for various chemical syntheses and in the development of novel compounds.
- IUPAC
- Furan-2-carboxylic acid
- Synonyms
- Furan-2-carboxylic acid

Organic Synthesis Intermediate
2-Furoic acid is frequently employed as a starting material or intermediate in the synthesis of more complex organic molecules. Its furan ring and carboxylic acid functionality offer versatile reaction pathways for chemical transformations.
Building Block for Heterocyclic Compounds
As a furan derivative, it is a key building block for creating a range of heterocyclic compounds. These structures are important in pharmaceuticals, agrochemicals, and material science.
Research and Development
This compound is utilised in research laboratories for exploring new chemical reactions and developing novel materials or biologically active molecules.
| Molecular weight | 112.08 |
|---|---|
| Empirical formula | C5H4O3 |
| Assay | 98% |
| Boiling point | 230-232 °C(lit.) |
| Melting point | 128-132 °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-Furoic acid used for?
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2-Furoic acid is used as a versatile building block in organic synthesis, particularly for constructing heterocyclic compounds and as an intermediate in the development of various chemicals.
What are the CAS number and molecular formula of 2-Furoic acid?
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The CAS number for 2-Furoic acid is 88-14-2, and its molecular formula is C5H4O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Furoic acid with an assay of 98%. This is a technical or research grade, and TSS does not represent it as USP, BP, or EP grade.
How should 2-Furoic acid be handled?
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2-Furoic acid is classified as a Warning with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment includes a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation.
How is 2-Furoic acid packaged and shipped?
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2-Furoic acid is carefully packaged to ensure safe transit and is exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a sample or quote for 2-Furoic acid?
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To request a sample or a quote for 2-Furoic acid, please contact our sales team through the TSS website or by phone.
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