496-14-0
Phthalan
CAS: 496-14-0
Molecular Formula: C8H8O
496-14-0 - Names and Identifiers
| Name | Phthalan |
| Synonyms | 1 PHTHALAN Phthalan ISOCOUMARAN Isobenzofuran o-Xylylene oxide O-XYLYLENE OXIDE Dihydroisobenzofuran 1,3-dihydro-2-benzofuran 1,3-DIHYDROISOBENZOFURAN 1,3-dihydroisobenzofuran 1,3-DIHYDRO-2-BENZOFURAN 2,5-dihydro-3,4-benzofuran Isobenzofuran, 1,3-dihydro- 1,3-Dihydrobenzo[c]furan~1,3-Dihydroisobenzofuran~o-Xylylene oxide Phthalan, (1,3-Dihydrobenzo[c]furan |
| CAS | 496-14-0 |
| EINECS | 207-815-2 |
| InChI | InChI=1/C8H8O/c1-2-4-8-6-9-5-7(8)3-1/h1-4H,5-6H2 |
496-14-0 - Physico-chemical Properties
| Molecular Formula | C8H8O |
| Molar Mass | 120.15 |
| Density | 1.098 g/mL at 25 °C (lit.) |
| Melting Point | 6°C |
| Boling Point | 192 °C (lit.) |
| Flash Point | 146°F |
| Solubility | Low aqueous solubility. |
| Vapor Presure | 0.696mmHg at 25°C |
| Appearance | Liquid |
| Color | Colorless to Almost colorless |
| BRN | 111932 |
| Storage Condition | Room Temprature |
| Refractive Index | n20/D 1.546(lit.) |
| MDL | MFCD00005932 |
496-14-0 - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S3/9/49 - |
| WGK Germany | 3 |
| HS Code | 29321900 |
496-14-0 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| application | 1, 3-dihydroisobenzofuran can be used as an intermediate in organic synthesis and pharmaceutical, mainly used in laboratory research and development processes and chemical production processes. |
| Preparation | Et3SiH (4 equiv) was added to a stirred solution of 2-hydroxychalcone derivatives (0.5 mmol, 1 equiv) and InCl3 (0.5 equiv) in anhydrous acetonitrile (2.5 mL). Reflux reaction mixture. Add water to the reaction mixture. Dichloromethane is used to extract the reaction mixture. Wash the combined organic layer with brine. The combined organic layer was dried with anhydrous Na 2 SO 4. Vacuum concentration of each layer. The resulting solution was purified by silica gel column chromatography (petroleum ether/ethyl acetate = 50:1) to obtain 1, 3-dihydroisobenzofuran. |
Last Update：2024-04-09 02:00:08
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