📌Basic Information
| Product name | 2,3-Dihydrofuran |
| Synonym | 4,5-Dihydrofuran;2,3-dihydrofuran stab.;2 3-DIHYDROFURAN 99+%;2,3-DIHYDROFURANE;2,3-Dihydrofuran |
| CAS NO. | 1191-99-7 |
| Appearance | Transparent liquid |
| Content | ≥99.0% |
| MF | C4H6O |
| MW | 70.09 |
| Related Categories | General reagents; Small molecule inhibitors; Heterocyclic building blocks; Active pharmaceutical ingredients; Intermediate products; Pyran and its derivatives |
| Transport Information | 3 dangerous goods |
| HS Code | 2932190090 |
| Application | It is used as an intermediate for anti-tumor drugs, and is also employed in electronic chemicals and fragrances. |
| Packaging | 20kg/drum;200kg/drum;1000kg/drum |
| Contact Info | lucy@coreychem.com |
✨Basic Information
2,3-Dihydrofuran, also commonly referred to as 2,3-DHF, has a CAS number of 1191-99-7. Its molecular formula is C₄H₆O, its molecular weight is 70.09 g/mol, its MDL number is MFCD00003205, and its EINECS number is 214-747-7.
This product is a colorless, transparent liquid with a pungent odor. It is an oxygen-containing heterocyclic compound and one of the simplest enol ethers; it is a structural isomer of 2,5-dihydrofuran.
🎯Physical and chemical properties
The main physical properties of 2,3-dihydrofuran are as follows:
Density: Approximately 0.927 g/mL at 25°C. The density range provided by different sources varies between 0.927 and 0.959 g/cm³.
Boiling point: The boiling point at normal pressure is 54-55°C. Some data are precisely shown as 54.6°C or 55.2°C.
Flash point: Approximately -12°F to -25°C (-24°C to -25°C), classified as a highly flammable liquid.
Refractive index: n20/D is approximately 1.4228 – 1.4230.
Vapor pressure: The vapor pressure at 55°C is 14.46 psi.
Solubility: Slightly soluble in water, soluble in organic solvents such as methanol.
⚠️Main Applications
Pharmaceutical Intermediates: 2,3-Dihydrofuran is an important raw material for the synthesis of various pharmaceutical chemicals. It is used in the preparation of pharmaceutical intermediates such as 7-ethylchromol and isotodoic acid, and is also employed in the synthesis of anticancer drugs.
Organic Synthesis Reagent: As a commonly used organic synthesis reagent, it is employed in lanthanide-catalyzed Diels-Alder reactions with 2-furanones, as well as in cycloaddition reactions with vinyl carbenes.
Other Industrial Applications: This product is also suitable for use in organic synthesis solvents, electronic chemicals, specialty resins, and synthetic fragrances.
📦Storage and Stability
Storage Conditions: 2,3-Dihydrofuran is sensitive to air and heat and must be stored properly. The recommended storage temperature is 2–8°C (refrigerated). Some suppliers also accept storage at room temperature in a cool, dark place, provided the product is kept in an inert atmosphere to prevent contact with air.
Stability Notes: When used and stored in accordance with specifications, this product will not decompose. However, contact with oxidizing agents, air, and heat must be avoided. This compound may form explosive peroxides; extreme caution is required.
📧 Contact Info
lucy@coreychem.com
