5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one

Modify Date: 2025-08-26 12:22:22

5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one Structure
5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one structure
 Common Name 5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one
CAS Number 5650-51-1 Molecular Weight 138.187
Density 1.3±0.1 g/cm3 Boiling Point 239.6±9.0 °C at 760 mmHg
Molecular Formula C7H6OS Melting Point 115-117ºC
MSDS N/A Flash Point 98.7±18.7 °C

 Names

Name 5,6-dihydrocyclopenta[b]thiophen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 239.6±9.0 °C at 760 mmHg
Melting Point 115-117ºC
Molecular Formula C7H6OS
Molecular Weight 138.187
Flash Point 98.7±18.7 °C
Exact Mass 138.013931
PSA 45.31000
LogP 1.88
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.625
InChIKey KOBLGOHFGYWCRC-UHFFFAOYSA-N
SMILES O=C1CCc2sccc21

 Safety Information

HS Code 2934999090

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one
5,6-dihydro-cyclopenta[b]thiophen-4-one
5,6-dihydro-<6H>-cyclopenta-<b>-thiophene-4-one
4-oxo-4,5-dihydro-6H-cyclopenta<b>thiophene
4H-Cyclopenta[b]thiophen-4-one, 5,6-dihydro-
5,6-dihydro-4H-cyclopenta[b]thien-4-one
5,6-dihydro-4H-cyclopenta<b>thiophen-4-one
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Chemsrc provides CAS#:5650-51-1 MSDS, density, melting point, boiling point, structure, etc. Its name is 5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one>> amp version: 5,6-Dihydro-4H-cyclopenta[b]thiophen-4-one

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