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
  • 1-Aminopropane-2-sulfonyl chloride
  • Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-4-(trifluoromethyl)benzoate
  • Ethyl 2-amino-5-ethyloxazole-4-carboxylate
  • rac-tert-butyl (3R,4S)-3-ethenyl-4-hydroxypyrrolidine-1-carboxylate
  • 4-(Bromomethyl)-1-(difluoromethyl)-2-fluorobenzene
  • 2-(5-Heptyloxy-2-nitrophenyl)-1,3-dioxolane
  • 2-(2-methoxypropan-2-yl)-N-phenylaniline
  • tert-Butyl 3-(1-cyanoethylidene)azetidine-1-carboxylate
  • 2-Propen-1-one, 3-[4-(phenylmethoxy)phenyl]-1-(2,4,6-trihydroxyphenyl)-, (2E)-
  • phenyl N-[5-(4-chlorophenyl)-1,2-oxazol-3-yl]carbamate
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