Title: Thianaphthene
CAS Registry Number: 95-15-8
CAS Name: Benzo[b]thiophene
Additional Names: benzothiofuran
Molecular Formula: C8H6S
Molecular Weight: 134.20
Percent Composition: C 71.60%, H 4.51%, S 23.89%
Literature References: Occurs in lignite tar. Catalytic synthesis from styrene and hydrogen sulfide: Moore, Greensfelder, J. Am. Chem. Soc. 69, 2008 (1947); from ethyl benzene and hydrogen sulfide: Hansch, Hawthorne, ibid. 70, 2495 (1948).
Properties: Leaflets. Odor similar to that of naphthalene. mp 32°; bp760 221°; bp20 103-105°. Volatile with steam. Sol in the usual organic solvents.
Melting point: mp 32°
Boiling point: bp760 221°; bp20 103-105°
Use: Manuf of pharmaceuticals, thioindigo.

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