9,9-双(4-氨基苯基)芴
4,4'-(9-fluorenylidene)dianiline
CAS: 15499-84-0
Molecular Formula: C25H20N2
9,9-双(4-氨基苯基)芴 - Names and Identifiers
| Name | 4,4'-(9-fluorenylidene)dianiline |
| Synonyms | BAFL BIO-FARMA BF003152 TIMTEC-BB SBB008629 bisaminophenylfluorene Bis(4-aminophenyl)fluorene 9,9-BIS(4-AMINOPHENYL)FLUORENE 4,4-(9-Fluorenylidene)dianiline 4,4'-9-Fluorenylidene)dianilane 4,4'-(9-FLUORENYLIDENE)DIANILINE 4,4'-(9-fluorenylidene)dianiline 9,9'-BIS (4-AMINOPHENYL) FLUORENE 4,4'-(9H-fluorene-9,9-diyl)dianiline 9,9-Bis(4-aMinophenyl)fluorene (BAFL) 4-[9-(4-aminophenyl)fluoren-9-yl]aniline BenzenaMine,4,4'-(9H-fluoren-9-ylidene)bis- 4-[9-(4-Aminophenyl)-9H-fluoren-9-yl]aniline |
| CAS | 15499-84-0 |
| EINECS | 628-740-5 |
| InChI | InChI=1/C25H20N2/c26-19-13-9-17(10-14-19)25(18-11-15-20(27)16-12-18)23-7-3-1-5-21(23)22-6-2-4-8-24(22)25/h1-16H,26-27H2 |
| InChIKey | KIFDSGGWDIVQGN-UHFFFAOYSA-N |
9,9-双(4-氨基苯基)芴 - Physico-chemical Properties
| Molecular Formula | C25H20N2 |
| Molar Mass | 348.44 |
| Density | 1.245±0.06 g/cm3(Predicted) |
| Melting Point | 237-239 °C (lit.) |
| Boling Point | 535.2±50.0 °C(Predicted) |
| Flash Point | 334.1°C |
| Water Solubility | Insoluble in water |
| Vapor Presure | 1.57E-11mmHg at 25°C |
| Appearance | Crystalline powder |
| Color | White to Almost white |
| pKa | 4.92±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.725 |
| MDL | MFCD00039156 |
9,9-双(4-氨基苯基)芴 - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29215900 |
| Hazard Class | IRRITANT |
9,9-双(4-氨基苯基)芴 - Reference Information
| Application | 9, 9-bis (4-aminophenyl) fluorene is an important chemical intermediate, mainly used for high thermal stability The synthesis of aromatic polyimides and epoxy resins, aromatic polyimides are high-performance materials that are resistant to thermal hydrolysis and oxidative degradation, with good electrical insulation and mechanical properties, can be widely used in photoelectric materials, adhesive materials, composite fiber materials and film materials. |
| preparation | under the protection of nitrogen, 3.6g of fluorenone (20mmol),7.2g of aniline hydrochloride (55.6mmol),0.5g of sodium bisulfite (4.8mmol),8.8mL of aniline (96.4mmol) and 6mL of toluene are added to a 100mL two-neck bottle equipped with a water separator. Under stirring, it slowly rises to 120 ℃, the green liquid produced in the water separator is separated after 30min of reaction, the water produced in the water separator is separated after the temperature is maintained for 3h, then the water is slowly heated to 135 ℃, the temperature is maintained for 1.5h, and the reaction can be stopped when no water is generated in the water separator. The reacted material was cooled to about 60 ℃, 10wt% potassium hydroxide solution was added to the mixed solution, the pH value was adjusted to 9, stirring while hot for 15min, and then suction filtration was carried out. After washing with water, the filter cake was recrystallized with 30mL of toluene, and suction filtration again to obtain 6.55g of pure rice white product with a yield of 94%. |
Last Update：2024-04-10 22:29:15
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View History
9,9-双(4-氨基苯基)芴
Dimethyl 3-Cyclopentene-1,1-dicarboxylate
N-[1-Amino-1-(4-(trifluoromethoxy)phenyl)methylidene]hydrazinecarboxylic acid tert-butyl
Dichloroethylmethylbenzimidazole
1-(2-(4-溴苯氧基)乙基)吡咯烷
2-氯-4-氟-1-碘苯
N-(2-Pyridyl)oxamic Acid
NSC 119421
Trimellitic Anhydride
Carbamic acid, N-(5-formyl-2-pyrimidinyl)-, 1,1-dimethylethyl ester
Dimethyl 3-Cyclopentene-1,1-dicarboxylate
N-[1-Amino-1-(4-(trifluoromethoxy)phenyl)methylidene]hydrazinecarboxylic acid tert-butyl
Dichloroethylmethylbenzimidazole
1-(2-(4-溴苯氧基)乙基)吡咯烷
2-氯-4-氟-1-碘苯
N-(2-Pyridyl)oxamic Acid
NSC 119421
Trimellitic Anhydride
Carbamic acid, N-(5-formyl-2-pyrimidinyl)-, 1,1-dimethylethyl ester