Molecular Formula | C14H4Cl4O2 |
Molar Mass | 345.99 |
Density | 1.672±0.06 g/cm3(Predicted) |
Melting Point | 342°C(lit.) |
Boling Point | 510.7±50.0 °C(Predicted) |
Flash Point | 213.5°C |
Solubility | Chloroform (Slightly, Heated), DMSO (Slightly, Heated), Pyridine (Slightly, Heat |
Vapor Presure | 1.52E-10mmHg at 25°C |
Appearance | Solid |
Color | Pale Yellow to Light Yellow |
Storage Condition | -20°C Freezer, Under inert atmosphere |
Refractive Index | 1.68 |
Physical and Chemical Properties | Light yellow needle-like crystals. Melting point 341-342 °c. |
Use | For synthetic dyes |
Reference Show more | Li Min, Guo Yankai, Ma Zhiyuan, et al. Study on enhanced electrolytic decolorization of acid red B catalyzed by Quinones modified electrode [J]. Journal of Hebei University of Science and Technology, 2014, 26 (03):291-295. |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
preparation | Method 1: 20% fuming sulfuric acid is placed in a chlorination pan, stirring is started, and then of Anthraquinone is added, raise the temperature to 90-100 ℃, continue to stir and dissolve for 1 hour, then add 1kg iodine, then pass chlorine gas, control the temperature of passing chlorine at 50-150 ℃, after reacting for 100-200 hours, add 92.5% sulfuric acid to dilute, filter, acid wash, then wash to neutral, and dry to get tetrachloro anthraquinone to be used; |
Application | 1,4,5, 8-tetrachloroanthraquinone can be used as a pharmaceutical synthesis intermediate. |
Use | an intermediate for the reduction of carbazole 2G by a dye. for synthetic dyes |
production method | Anthraquinone is prepared by sulfonation, chlorination, re-sulfonation and re-chlorination. |