ChemicalBook--->CAS DataBase List--->493-57-2

493-57-2

493-57-2 Structure

493-57-2 Structure
IdentificationBack Directory
[Name]

benzo[b]thiophene-2,3-dione
[CAS]

493-57-2
[Synonyms]

NSC 114478
Thianaphthenequinone
2,3-Thionaphthenequinone
benzothiophene-2,3-quinone
2,3-Benzo[b]thiophenedione
Benzo[b]thiophen-2,3-dione
benzo[b]thiophene-2,3-dione
2,3-Dioxo-2,3-dihydrothionaphthene
2,3-Dihydro-1-benzothiophene-2,3-dione
Benzo[b]thiophene-2,3-dione >=97% (GC)
[Molecular Formula]

C8H4O2S
[MDL Number]

MFCD00463402
[MOL File]

493-57-2.mol
[Molecular Weight]

164.18
Chemical PropertiesBack Directory
[Melting point ]

119-121°C
[Boiling point ]

261.64°C (rough estimate)
[density ]

1.3633 (rough estimate)
[refractive index ]

1.5500 (estimate)
[storage temp. ]

Store at room temperature
[solubility ]

Chloroform (Slightly), DMSO (Slightly, Sonicated), Methanol (Slightly)
[form ]

Solid
[color ]

Light Orange to Dark Red
[BRN ]

118077
[InChI]

1S/C8H4O2S/c9-7-5-3-1-2-4-6(5)11-8(7)10/h1-4H
[InChIKey]

MHESOLAAORBNPM-UHFFFAOYSA-N
[SMILES]

O=C1Sc2ccccc2C1=O
Safety DataBack Directory
[Symbol(GHS) ]

GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
[Signal word ]

Danger
[Hazard statements ]

H317-H318
[Precautionary statements ]

P280-P305+P351+P338
[Hazard Codes ]

Xn
[Risk Statements ]

41-43-52
[Safety Statements ]

26-36/37-39
[WGK Germany ]

3
[Storage Class]

11 - Combustible Solids
[Hazard Classifications]

Eye Dam. 1
Skin Sens. 1
Hazard InformationBack Directory
[Chemical Properties]

benzo[b]thiophene-2,3-dione is Orange Solid
[Uses]

benzo[b]thiophene-2,3-dione is a useful synthetic intermediate for the preparation of novel antiinflammatory agents.
Spectrum DetailBack Directory
[Spectrum Detail]

benzo[b]thiophene-2,3-dione(493-57-2)1HNMR
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