4-Hydroxy-2H-thiochromen-2-one

Names

[ Name ]:
4-Hydroxy-2H-thiochromen-2-one

[Synonym ]:
1-thio-4-hydroxycoumarin
4-Hydroxy-2H-thiochromen-2-one
4-hydroxy-1-thiocoumarin
4-hydroxythiocoumarun
4-Hydroxythiocoumarin
4-hydroxy-2H-1-benzothiopyran-2-one
2H-1-Benzothiopyran-2-one, 4-hydroxy-

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
304.9±42.0 °C at 760 mmHg

[ Molecular Formula ]:
C₉H₆O₂S

[ Molecular Weight ]:
178.208

[ Flash Point ]:
138.2±27.9 °C

[ Exact Mass ]:
178.008850

[ PSA ]:
65.54000

[ LogP ]:
2.23

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.726

Safety Information

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%