9H-Fluoren-9-one
9-Fluorenone
CAS: 486-25-9
Molecular Formula: C13H8O
9H-Fluoren-9-one - Names and Identifiers
| Name | 9-Fluorenone |
| Synonyms | Fluorenone FLUORENONE 9-FLUORENON 9-FLUORENONE 9-Fluorenone Fluoren-9-one 9-Oxofluorene FLUOREN-9-ONE FLUORENONE(9-) AURORA KA-7498 9H-Fluoren-9-one 9H-FLUOREN-9-ONE Diphenylene ketone |
| CAS | 486-25-9 |
| EINECS | 207-630-7 |
| InChI | InChI=1/C13H8O/c14-13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)13/h1-8H |
| InChIKey | YLQWCDOCJODRMT-UHFFFAOYSA-N |
9H-Fluoren-9-one - Physico-chemical Properties
| Molecular Formula | C13H8O |
| Molar Mass | 180.2 |
| Density | 0,9 g/cm3 |
| Melting Point | 80-83 °C (lit.) |
| Boling Point | 342 °C (lit.) |
| Flash Point | 163 °C |
| Water Solubility | insoluble |
| Vapor Presure | 0.005-0.2Pa at 20-50℃ |
| Appearance | Yellow crystal |
| Color | Yellow |
| BRN | 1636531 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.6309 (estimate) |
| MDL | MFCD00001141 |
| Physical and Chemical Properties | Yellow crystal. melting point 82~85 ℃ boiling point 342 ℃ solubility soluble in ethanol and ether, insoluble in water. |
| Use | Used as an intermediate in organic synthesis |
9H-Fluoren-9-one - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S27 - Take off immediately all contaminated clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | LL8925000 |
| TSCA | Yes |
| HS Code | 29143900 |
| Hazard Note | Irritant |
| Toxicity | LD50 orally in Rabbit: > 3900 mg/kg |
9H-Fluoren-9-one - Reference Information
| LogP | 3.25 at 25℃ and pH7.7 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Organic synthesis intermediate | 9-fluorenone is an important organic synthesis intermediate, which can be used to make a variety of fine chemicals, mainly used in synthesis Modifiers for polymer materials, bisphenol fluorene, fluorenylbenzoxazine resins, acrylate resins, polyester, polycarbonate and epoxy resins. In the laboratory, fluorene is used as raw material, dimethyl sulfoxide is used as solvent, sodium hydroxide is used as catalyst, and oxygen is used as oxidant. A tower packed reactor is used for oxidation reaction. The reaction liquid can be cooled and filtered to obtain 93% content. Crude fluorenone, the filtrate can be distilled to recover the 94% solvent and part of the crude fluorenone. Crude fluorenone can be refined by directional crystallization to obtain yellow flaky fluorenone with a purity of more than 99.8%. |
| Use | Used as an intermediate in organic synthesis |
| spontaneous combustion temperature | 608°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:08
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