Title: Thioxanthene

CAS Registry Number: 261-31-4

Additional Names: Thiaxanthene; dibenzothiopyran; dibenzopenthiophene; diphenylenemethane sulfide

Molecular Formula: C13H10S

Molecular Weight: 198.28

Percent Composition: C 78.75%, H 5.08%, S 16.17%

Literature References: Conveniently obtained from thioxanthone in 74% yield by reduction wth lithium aluminum hydride: Mustafa, Hilmy, J. Chem. Soc. 1952, 1345.

Properties: Needles or rods from alcohol + chloroform. Sublimes easily. mp 128°. bp730 340°. Dipole moment: 1.44 D. Freely sol in chloroform. Moderately sol in alcohol, ether.

Melting point: mp 128°

Boiling point: bp730 340°