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CAS No 141-84-4 , 2-sulfanylidene-1,3-thiazolidin-4-one

  • Name: 2-sulfanylidene-1,3-thiazolidin-4-one
  • Synonyms: Rhodanic acid; Rhodaninic acid; 2-Thioxo-4-thiazolidinone;141-84-4; 2-thioxo-;2-sulfanylidene-1,3-thiazolidin-4-one; 2-Thioxo-1,3-thiazolidin-4-one; 4-Thiazolidinone;
  • CAS Registry Number:
  • Transport: 3288
  • Melting Point: 167-170 ºC
  • Flash Point: 85.7 °C
  • Boiling Point: 218.2 °Cat760mmHg
  • Density: 1.59 g/cm3
  • Refractive index: 1.711
  • Safety Statements: R22;R41
  • Hazard Symbols: Xn: Harmful;
  • HS Code: 29341000
  • Flash Point: 85.7 °C
  • EINECS: 205-505-1
  • Molecular Weight: 133.19202
  • InchiKey: KIWUVOGUEXMXSV-UHFFFAOYSA-N
  • InChI: InChI=1S/C3H3NOS2/c5-2-1-7-3(6)4-2/h1H2,(H,4,5,6)
  • Risk Statements: S22;S26;S39
  • Molecular Formula: C3H3NOS2
  • Molecular Structure:CAS No:141-84-4 2-sulfanylidene-1,3-thiazolidin-4-one

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141-84-4 2-THIOXO-THIAZOLIDIN-4-ONE

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References of 2-sulfanylidene-1,3-thiazolidin-4-one
Title: Rhodanine
CAS Registry Number: 141-84-4
CAS Name: 2-Thioxo-4-thiazolidinone
Synonyms: 2-thio-4-ketothiazolidine; 4-oxo-2-thionothiazolidine; rhodanic acid
Molecular Formula: C3H3NOS2
Molecular Weight: 133.19
Percent Composition: C 27.05%, H 2.27%, N 10.52%, O 12.01%, S 48.15%
Literature References: Prepd by the action of sodium chloroacetate on ammonium dithiocarbamate: Julian, Sturgis, J. Am. Chem. Soc. 57, 1126 (1935); Redemann et al., Org. Synth. coll. vol. III, 763 (1955).
Properties: Pale yellow crystals (long blades) from glacial acetic acid or water. d 0.868. mp 168.5° (capillary); mp 170.5-171° (hot stage). May explode on rapid heating. pK (25°) 5.52. Freely sol in boiling water, in methanol, ethanol, DMF, ether, alkalies, ammonia, hot acetic acid.
Melting point: mp 168.5° (capillary); mp 170.5-171° (hot stage)
pKa: pK (25°) 5.52
Density: d 0.868
Use: In the synthesis of phenylalanine.