ChemicalBook--->CAS DataBase List--->784-62-3

784-62-3

784-62-3 Structure

784-62-3 Structure
IdentificationBack Directory
[Name]

1-THIOFLAVONE
[CAS]

784-62-3
[Synonyms]

THIOFLAVONE
1-THIOFLAVONE
2-PHENYLTHIOCHROMEN-4-ONE
2-PHENYLTHIOCHROMEN-4-ONE 98%
2-phenyl-4h-1-benzothiopyran-4-on
2-Phenyl-4H-1-benzothiopyran-4-one
4H-1-Benzothiopyran-4-one,2-phenyl-
[Molecular Formula]

C15H10OS
[MDL Number]

MFCD00074842
[MOL File]

784-62-3.mol
[Molecular Weight]

238.3
Chemical PropertiesBack Directory
[Melting point ]

125-127 °C(lit.)
[EPA Substance Registry System]

4H-1-Benzothiopyran-4-one, 2-phenyl- (784-62-3)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H335-H319
[Precautionary statements ]

P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

26-37/39
[WGK Germany ]

3
Spectrum DetailBack Directory
[Spectrum Detail]

1-THIOFLAVONE(784-62-3)MS
1-THIOFLAVONE(784-62-3)IR1
1-THIOFLAVONE(784-62-3)IR2
Hazard InformationBack Directory
[Purification Methods]

This yellow solid is purified by passage through a silica gel column, eluting with *C6H6/Me6CO, evaporating and crystallising the residue from EtOH. The sulfoxide [65373-82-2] has m 133-135o, and the sulfone [22810-82-2] has m 136.5-137o (from EtOH). The dimethylhydrazone has m 111-113o (from BuOH). It forms easily hydrolysable salts. [Nakazumi et al. J Heterocycl Chem 21 193 1984, Chen et al. J Org Chem 51 3282 1986, Van Allen & Reynolds J Heterocycl Chem 8 807 1971, Beilstein 17 I 204, 17 III/IV 5420, 17/10 V 560.]
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