1-bromo-4-(methylamino)-10-anthracenedione
1-bromo-4-(methylamino)anthraquinone
CAS: 128-93-8
Molecular Formula: C15H10BrNO2
1-bromo-4-(methylamino)-10-anthracenedione - Names and Identifiers
| Name | 1-bromo-4-(methylamino)anthraquinone |
| Synonyms | 1-methylamino-4-bromanthrachinon 1-Methylamino-4-bromoanthraquinone 1-Methylamine-4-Bromoanthraquinone 1-Methylamino-4-bromo anthraquinone 1-bromo-4-methylamino-anthraquinone 1-BROMO-4-METHYLAMINO-ANTHRAQUINONE 1-METHYLAMINO-4-BROMO ANTHRAQUINONE 1-bromo-4-(methylamino)-anthraquinon 4-BROMO-1-(METHYLAMINO)ANTHRAQUINONE 1-bromo-4-(methylamino)anthraquinone 4-Bromo-1-(methylamino)anthraquinone 1-bromo-4-(methylamino)-10-anthracenedione 1-Bromo-4-methylamino-9,10-anthracenedione |
| CAS | 128-93-8 |
| EINECS | 204-920-5 |
| InChI | InChI=1/C15H10BrNO2/c1-17-11-7-6-10(16)12-13(11)15(19)9-5-3-2-4-8(9)14(12)18/h2-7,17H,1H3 |
1-bromo-4-(methylamino)-10-anthracenedione - Physico-chemical Properties
| Molecular Formula | C15H10BrNO2 |
| Molar Mass | 316.15 |
| Density | 1.5512 (rough estimate) |
| Melting Point | 195.5°C |
| Boling Point | 510.1±50.0 °C(Predicted) |
| Flash Point | 262.3°C |
| Vapor Presure | 1.6E-10mmHg at 25°C |
| pKa | 1.41±0.20(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.6320 (estimate) |
| Physical and Chemical Properties | Red crystals. Melting point 194-196 °c. |
| Use | 1-methylaminoanthraquinone, obtained by bromination. Bromine was added to a mixture of 1-methylaminoanthraquinone and pyridine and heated for 6h with stirring. After cooling, the solid is filtered off, the pyridinium hydrobromide is removed with hot water and dried to give 4-bromo-1-methylaminoanthraquinone in 70-74% yield. |
1-bromo-4-(methylamino)-10-anthracenedione - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | organic synthesis intermediate. Used as a dye intermediate 1-methylamino anthraquinone, obtained by bromination. Bromine was added to the mixture of 1-methylaminoanthraquinone and pyridine, stirred and heated for 6h. Cooling, filtering out the solid, washing out pyridyl hydrobromate with hot water, drying to obtain 4-bromo-1-methylaminoanthraquinone with a yield of 70-74%. |
| production method | 1-methylamino anthraquinone, obtained by bromination. Bromine was added to the mixture of 1-methylaminoanthraquinone and pyridine, stirred and heated for 6h. Cooling, filtering out the solid, washing out pyridyl hydrobromate with hot water, drying to obtain 4-bromo-1-methylaminoanthraquinone with a yield of 70-74%. |
| category | toxic substances |
| toxicity classification | low toxicity |
| acute toxicity | abdominal cavity-rat LD50: 8000 mg/kg |
| stimulation data | eyes-rabbit 500 mg/24 hours mild |
| flammability hazard characteristics | Thermal decomposition discharges toxic nitrogen oxides and bromide fumes |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | water, dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent |
Last Update：2024-04-10 22:29:15
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