ChemicalBook--->CAS DataBase List--->81-45-8

81-45-8

81-45-8 Structure

81-45-8 Structure
IdentificationBack Directory
[Name]

N-(4-chloro-9,10-dihydro-9,10-dioxo-1-anthryl)benzamide
[CAS]

81-45-8
[Synonyms]

Chlorobenzone
1-CHLORO-4-BENZAMIDOANTHRAQUINONE
1-Chloro-4-benzoylaminoanthraquinone
N-(4-chloro-9,10-diketo-1-anthryl)benzamide
N-(4-chloro-9,10-dioxoanthracen-1-yl)benzamide
N-(4-chloro-9,10-dioxo-anthracen-1-yl)benzamide
N-(4-chloro-9,10-dihydro-9,10-dioxo-1-anthryl)benzamide
N-(4-chloro-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide
Benzamide,N-(4-chloro-9,10-dihydro-9,10-dioxo-1-anthracenyl)-
[EINECS(EC#)]

201-350-9
[Molecular Formula]

C21H12ClNO3
[MDL Number]

MFCD00019135
[MOL File]

81-45-8.mol
[Molecular Weight]

361.78
Chemical PropertiesBack Directory
[Melting point ]

237.5-238.5 °C
[Boiling point ]

506.2±50.0 °C(Predicted)
[density ]

1.2120 (rough estimate)
[refractive index ]

1.7150 (estimate)
[pka]

11?+-.0.20(Predicted)
[EPA Substance Registry System]

Benzamide, N-(4-chloro-9,10-dihydro-9,10-dioxo-1-anthracenyl)- (81-45-8)
Safety DataBack Directory
[Toxicity]

LD50 intraperitoneal in rat: 2gm/kg
Hazard InformationBack Directory
[Synthesis]

1-Benzoylamino-4-chloroanthraquinone is prepared from 1-aminoanthraquinone by benzoylation in nitrobenzene and subsequent chlorination with sulfuryl chloride.
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