2-Furaldehyde diethyl acetal
2-Furaldehyde diethyl acetal (CAS: 13529-27-6) is a furan derivative with the molecular formula C9H14O3. This chemical compound serves as a valuable building block in organic synthesis, particularly for creating complex heterocyclic structures. Its applications include the synthesis of 5-pyridyl- and 5-aryl-2-furaldehydes through palladium-mediated cross-coupling reactions and the formation of 11-oxatricyclo[5.3.1.02,6]undecane derivatives, showcasing its utility in advanced chemical research and development.

Palladium-Mediated Cross-Coupling
Utilised in the synthesis of 5-pyridyl- and 5-aryl-2-furaldehydes, demonstrating its role in forming substituted furan compounds via advanced coupling techniques.
Heterocyclic Compound Synthesis
Employed in the preparation of complex 11-oxatricyclo[5.3.1.02,6]undecane derivatives, highlighting its function as a precursor for intricate polycyclic systems.
Organic Synthesis Building Block
Serves as a versatile intermediate in general organic synthesis, particularly for molecules containing furan rings and related heterocyclic frameworks.
| Molecular weight | 170.21 |
|---|---|
| Empirical formula | C9H14O3 |
| Assay | 97% |
| Boiling point | 189-191 °C(lit.) |
| Density | 1.008 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.444(lit.) |
| Application | 2-Furaldehyde diethyl acetal was used in the synthesis of:• 5-pyridyl- and 5-aryl-2-furaldehydes via Palladium-mediated cross-coupling reaction1• 11-oxatricyclo [5.3. 1.02, 6] undecane derivatives2 |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 64 °C / 147.2 °F |
| 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-Furaldehyde diethyl acetal used for?
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2-Furaldehyde diethyl acetal is used as a building block in organic synthesis, notably for preparing 5-pyridyl- and 5-aryl-2-furaldehydes and 11-oxatricyclo[5.3.1.02,6]undecane derivatives.
What is the CAS number and formula for 2-Furaldehyde diethyl acetal?
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The CAS number is 13529-27-6, and its molecular formula is C9H14O3.
What is the purity or grade of 2-Furaldehyde diethyl acetal offered by TSS?
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The product is typically supplied at a minimum assay of 97% purity. It is intended for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary hazards associated with 2-Furaldehyde diethyl acetal?
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According to GHS classifications, 2-Furaldehyde diethyl acetal is associated with Warning signal word and hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
How is 2-Furaldehyde diethyl acetal shipped and exported?
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As a global supplier, TSS exports 2-Furaldehyde diethyl acetal adhering to all international shipping and safety regulations. Please contact us for specific details regarding your region.
How can I request a quote for 2-Furaldehyde diethyl acetal?
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To request a quote, please use the 'Request Quote' form on our website or contact our sales team directly with your specific requirements.
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