2,3-Dihydrofuran
2,3-Dihydrofuran (CAS: 1191-99-7) is a cyclic ether with the empirical formula C4H6O and a molecular weight of 70.09 g/mol. This volatile liquid, often abbreviated as 2,3-DHF, serves as a valuable building block in organic synthesis. Its reactivity is particularly noted in specific cycloaddition reactions, making it useful for constructing complex molecular architectures in research and development settings.
- IUPAC
- 2,3-DHF
- Synonyms
- 2,3-DHFFuran, 2,3-dihydro-
Lanthanide-Catalyzed Diels-Alder Reactions
2,3-Dihydrofuran acts as a reagent in lanthanide-catalyzed Diels-Alder reactions with 2-pyrones, enabling the formation of cyclic adducts.
Rhodium(II)-Stabilized Cycloadditions
It participates in Rh(II)-stabilized cycloadditions involving vinylcarbenoids, contributing to synthetic pathways for complex molecules.
Heterocyclic Synthesis
As a furan derivative and heterocyclic building block, 2,3-Dihydrofuran is employed in the synthesis of various heterocyclic compounds.
| Molecular weight | 70.09 |
|---|---|
| Empirical formula | C4H6O |
| Assay | 99% |
| Boiling point | 54-55 °C(lit.) |
| Density | 0.927 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.423(lit.) |
| Vapour pressure | 14.46 psi (55 °C)3.67 psi (20 °C) |
| Storage temperature | 2-8°C |
| Application | 2,3-Dihydrofuran is a versatile reagent used in lanthanide-catalyzed Diels-Alder reactions with 2-pyrones1,2 and in Rh(II)-stabilized cycloadditions with vinylcarbenoids3. |
Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -20 °C / -4 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11-19 |
| Safety statements (S) | 16-33 |
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-Dihydrofuran used for?
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2,3-Dihydrofuran is used as a reagent in lanthanide-catalyzed Diels-Alder reactions with 2-pyrones and in Rh(II)-stabilized cycloadditions with vinylcarbenoids. It functions as a valuable building block in organic synthesis, particularly for constructing heterocyclic compounds.
What is the CAS number and formula for 2,3-Dihydrofuran?
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The CAS number for 2,3-Dihydrofuran is 1191-99-7, and its empirical formula is C4H6O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dihydrofuran with an assay of 99%. This product is intended for laboratory and research use; we do not represent it as USP, BP, or EP grade.
How should 2,3-Dihydrofuran be handled safely?
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2,3-Dihydrofuran is a highly flammable liquid and vapour (H225). Handle with extreme caution, keeping away from heat, sparks, and open flames. Ensure adequate ventilation and use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator.
How is 2,3-Dihydrofuran stored and shipped?
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2,3-Dihydrofuran should be stored at 2-8°C. It is classified under UN 1993 BF 3 / PG II for transport.
How can I request a quote or sample for 2,3-Dihydrofuran?
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To request a quote or sample of 2,3-Dihydrofuran, please contact our sales department through the website or by phone. Our team will be happy to assist you.
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