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

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Names

[ CAS No. ]:
16854-67-4

[ 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

  • 1-Phenyl-2-sulfanylethanone
  • Ethyl carbonate
  • Dimethyl Carbonate
  • phosgene
  • Ethanethioic acid, S-[2-(chlorocarbonyl)phenyl] ester (9CI)
  • diethyl 2-(2-acetylmercapto)benzoylmalonate
  • Acetylthiosalicylic acid

DownStream

  • 3-methoxy-1-benzothiophene
  • 1,2-benzisothiazole-3-acetic acid

Customs

[ HS Code ]: 2932209090

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

Related Compounds

  • 4-Hydroxy-2H-thiochromen-2-one
  • 4-Hydroxy-2H-1-benzoselenin-2-one
  • 4-HYDROXY-2H-BENZO[G]CHROMEN-2-ONE
  • 4-hydroxy-3-naphthalen-1-yl-thiochromen-2-one
  • 4-hydroxy-3-methoxy-thiochromen-2-one
  • 4-(diethylamino)-3-nitrothiochromen-2-one
  • 4-(3-Hydroxyphenyl)-2-azaspiro[4.4]nonan-1-one
  • 4-(4-Methylphenyl)-2-azaspiro[4.4]nonan-1-one
  • N-(4-(benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-4-(ethylthio)benzamide
  • 7-Hydroxy-4-(indol-5-ylamino)-6-methoxyquinazoline
  • 6-Methoxy-7-(3-methylsulphonylpropoxy)-3,4-dihydroquinazolin-4-one
  • 7-Hydroxy-4-(2-methylindol-5-yloxy)quinazoline
  • 7-Hydroxy-6-methoxy-4-(3-methylindol-5-yloxy)quinazoline
  • 4-(2,3-Dimethylindol-5-yloxy)-7-hydroxy-6-methoxyquinazoline
  • 7-Hydroxy-6-methoxy-4-(2-methylindol-5-ylamino)quinazoline
  • 6-Methoxy-7-((1-(2-methylsulphonylethyl)piperidin-4-yl)methoxy)-3,4-dihydroquinazolin-4-one