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8-Tetrachloroanthraquinone

1,4,5,8-Tetrachloroanthraquinone

CAS: 81-58-3

Molecular Formula: C14H4Cl4O2

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8-Tetrachloroanthraquinone - Names and Identifiers

Name 1,4,5,8-Tetrachloroanthraquinone
Synonyms NSC 513487
8-Tetrachloroanthraquinone
1,4,5,8-TETRACHLOROANTHRAQUINONE
1,4,5,8-Tetrachloroanthraquinone
1,4,5,8-Tetrachloro anthraquinone
Anthraquinone, 1,4,5,8-tetrachloro-
1,4,5,8-tetrachloro-9,10-anthraquinone
1,4,5,8-tetrachloro-10-anthracenedione
1,4,5,8-Tetrachloro-9,10-anthraquinone
TCAQ - 1,4,5,8-tetrachloroanthraquinone
10-Anthracenedione,1,4,5,8-tetrachloro-9
1,4,5,8-tetrachloroanthracene-9,10-dione
1,4,5,8-tetrachloro-9,10-Anthracenedione
9,10-Anthracenedione, 1,4,5,8-tetrachloro-
CAS 81-58-3
EINECS 201-362-4
InChI InChI=1/C14H4Cl4O2/c15-5-1-2-6(16)10-9(5)13(19)11-7(17)3-4-8(18)12(11)14(10)20/h1-4H

8-Tetrachloroanthraquinone - Physico-chemical Properties

Molecular FormulaC14H4Cl4O2
Molar Mass345.99
Density1.672±0.06 g/cm3(Predicted)
Melting Point342°C(lit.)
Boling Point510.7±50.0 °C(Predicted)
Flash Point213.5°C
Solubility Chloroform (Slightly, Heated), DMSO (Slightly, Heated), Pyridine (Slightly, Heat
Vapor Presure1.52E-10mmHg at 25°C
AppearanceSolid
ColorPale Yellow to Light Yellow
Storage Condition-20°C Freezer, Under inert atmosphere
Refractive Index1.68
Physical and Chemical PropertiesLight yellow needle-like crystals. Melting point 341-342 °c.
UseFor synthetic dyes

8-Tetrachloroanthraquinone - Reference

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.

8-Tetrachloroanthraquinone - Reference Information

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.
Last Update：2024-04-10 22:29:15
8-Tetrachloroanthraquinone
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View History
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