Thioxanthone
Title: Thioxanthone
CAS Registry Number: 492-22-8
CAS Name: Thioxanthen-9-one
Additional Names: thiaxanthone; 9-oxothioxanthene
Molecular Formula: C13H8OS
Molecular Weight: 212.27
Percent Composition: C 73.56%, H 3.80%, O 7.54%, S 15.11%
Literature References: Prepd by the interaction of diphenyl sulfide and phosgene with aluminum chloride as catalyst: Szmant et al., J. Org. Chem. 18, 745 (1953).
Properties: Yellow needles from chloroform, mp 211°. bp715 273°. Freely sol in benzene, chloroform, carbon disulfide, hot glacial acetic acid. Slightly sol in alc. Practically insol in water, alkaline solns. Sol in concd sulfuric acid, giving a yellow soln with strong green fluoresence in visible light.
Melting point: mp 211°
Boiling point: bp715 273°

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