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
  • 3-[(2S)-N-tert-butyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]propanoic acid
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • 2,2-Difluoro-1-(pyrimidin-4-yl)cyclopropan-1-amine
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine