2-Bromo-9,10-anthracenedione
2-Bromoanthraquinone
CAS: 572-83-8
Molecular Formula: C14H7BrO2
2-Bromo-9,10-anthracenedione - Names and Identifiers
| Name | 2-Bromoanthraquinone |
| Synonyms | BROMOANTHRAQUINONE 2-BROMOANTHRAQUINONE 2-Bromoanthraquinone .beta.-Bromoanthraquinone 2-Bromo-9,10-anthraquinone 2-BROMO-9,10-ANTHRAQUINONE 2-bromoanthracene-9,10-dione 2-Bromo-9,10-anthracenedione |
| CAS | 572-83-8 |
| EINECS | 675-764-7 |
| InChI | InChI=1/C14H7BrO2/c15-8-5-6-11-12(7-8)14(17)10-4-2-1-3-9(10)13(11)16/h1-7H |
2-Bromo-9,10-anthracenedione - Physico-chemical Properties
| Molecular Formula | C14H7BrO2 |
| Molar Mass | 287.11 |
| Density | 1.5425 (rough estimate) |
| Melting Point | 208 °C |
| Boling Point | 443.4±34.0 °C(Predicted) |
| Flash Point | 160.1°C |
| Solubility | almost transparency in hot Toluene |
| Vapor Presure | 4.64E-08mmHg at 25°C |
| Appearance | Solid |
| Color | Light yellow to Brown to Dark green |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4650 (estimate) |
| MDL | MFCD00474541 |
2-Bromo-9,10-anthracenedione - Risk and Safety
| RTECS | CB5950000 |
| HS Code | 29146990 |
2-Bromo-9,10-anthracenedione - Reference Information
| Application | 2-bromoanthraquinone with 9, 10-dianthrone as parent nucleus, the side groups can be substituted by hydroxyl, Methoxy, methyl, hydroxymethyl, halogen, glycoside and the like groups by varying degrees of reductive conversion to the oxidized anthracene phenol, anthrone, anthracene phenol structure. Because the parent nucleus contains a large number of chromophores and chromophores, anthraquinone compounds show a darker color and have fluorescent characteristics. |
| preparation | phthalic anhydride (1mmol), substituted benzene (1.1mmol) were mixed in a 25ml single neck round bottom flask water (5ml) and 25mol% was added to the alum. The reaction mixture was stirred at room temperature for the appropriate time (Table 2, entry 3(a-j)) and the progress of the reaction was monitored by TLC. After completion of the reaction, the mixture was extracted with ethyl acetate (2-10ml). The combined organic layers were dried over anhydrous Na2SO4 and evaporated under reduced pressure; The crude material was purified by silica gel column chromatography to give the product 2-bromoanthraquinone. 3H, the yield was 80%. Melting point 205-206°C. |
Last Update：2024-04-10 22:29:15
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