3-Furaldehyde
furan-3-carboxaldehyde
CAS: 498-60-2
Molecular Formula: C5H4O2
3-Furaldehyde - Names and Identifiers
| Name | furan-3-carboxaldehyde |
| Synonyms | 3-FURFURAL 3-Furaldehyde BETA-FURFURAL 3-Formylofuran 3-Furan Aldehyde furan-3-carbaldehyde FURAN-3-CARBALDEHYDE 3-furancarboxaldehyde 3-FURANCARBOXALDEHYDE furan-3-carboxaldehyde FURAN-3-CARBOXALDEHYDE |
| CAS | 498-60-2 |
| InChI | InChI=1/C5H4O2/c6-3-5-1-2-7-4-5/h1-4H |
| InChIKey | AZVSIHIBYRHSLB-UHFFFAOYSA-N |
3-Furaldehyde - Physico-chemical Properties
| Molecular Formula | C5H4O2 |
| Molar Mass | 96.08 |
| Density | 1.111 g/mL at 25 °C (lit.) |
| Melting Point | 148-149.5 °C |
| Boling Point | 144 °C/732 mmHg (lit.) |
| Flash Point | 119°F |
| Water Solubility | Soluble in water, benzene, chloroform, alcohol and ether. |
| Vapor Presure | 4.88mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear yellow to brown |
| BRN | 105852 |
| Storage Condition | 2-8°C |
| Sensitive | Air & Light Sensitive |
| Refractive Index | n20/D 1.493(lit.) |
| MDL | MFCD00010424 |
3-Furaldehyde - Risk and Safety
| Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R23/25 - Toxic by inhalation and if swallowed. R21 - Harmful in contact with skin |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S3 - Keep in a cool place. |
| UN IDs | UN 1989 3/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8-10 |
| Hazard Note | Flammable/Harmful |
| Hazard Class | 3 |
| Packing Group | III |
3-Furaldehyde - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| application | 3-furfural, also known as 3-furaldehyde, furan ring intermediates can be used as essential oils, cosmetics, fuels, photosensitizers, fungicides or drugs and other intermediates, with a very wide application prospect. |
| preparation | step 1: synthesis of furan -3-based methanol dissolving furan -3-carboxylic acid (25g,0.22mmol,1.0eq) in tetrahydrofuran (330mL), slowly adding borane-tetrafuran solution (1mol/L,330mL) dropwise under ice bath, after dropping, stirring at normal temperature for 2 hours, TLC showed that the reaction was completed, and methanol (40mL) was slowly added dropwise under the ice bath to quench the reaction. Concentrate under reduced pressure, add ethyl acetate (500mL), wash with 2mol/L dilute hydrochloric acid (40mL × 2), dry the organic phase, concentrate, and purify the crude product by silica gel column chromatography (petroleum ether: ethyl acetate = 4:1v/v) to obtain the product (12g, yield: 55.7%). Step 2: Synthesis of 3-furfural Dissolve furan-3-based methanol (12.0g,0.12mol,1.0eq) in tetrahydrofuran (500mL), add manganese dioxide (156.4g,1.2mol,10.0eq), stir at room temperature for 18 hours, and TLC shows that the reaction is completed. Filtration, filtrate concentration to obtain the product (9.0g crude product), which is directly used for the next reaction. |
Last Update：2024-06-12 11:04:27
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