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1-Phenyltetrazole-5-thiol

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1-Phenyltetrazole-5-thiol Basic information
1-Phenyltetrazole-5-thiol Chemical Properties
  • Melting point:145 °C (dec.)(lit.)
  • Boiling point:342°C (rough estimate)
  • Density 1.3046 (rough estimate)
  • refractive index 1.5500 (estimate)
  • Flash point:138°C
  • storage temp. Store at +15°C to +25°C.
  • solubility ethanol: soluble5%, clear, colorless to faintly yellow
  • pka-3.85±0.20(Predicted)
  • PH3-5 (H2O, 20℃)suspension
  • Water Solubility Soluble in 5% ethanol, water (partly), acetone, chloroform, and methanol.
  • Sensitive Air Sensitive
  • BRN 139068
  • InChIKeyGGZHVNZHFYCSEV-UHFFFAOYSA-N
  • CAS DataBase Reference86-93-1(CAS DataBase Reference)
  • NIST Chemistry Reference1H-tetrazole-5-thiol, 1-phenyl-(86-93-1)
  • EPA Substance Registry System5H-Tetrazole-5-thione, 1,2-dihydro-1-phenyl- (86-93-1)
Safety Information
  • Hazard Codes Xn,F
  • Risk Statements 5-22-2017/5/22
  • Safety Statements 22-24/25
  • RIDADR UN 1325 4.1/PG 2
  • WGK Germany 1
  • RTECS XF7700000
  • 4.10
  • Hazard Note Flammable
  • TSCA Yes
  • HazardClass 4.1
  • PackingGroup III
  • HS Code 29339990
MSDS
1-Phenyltetrazole-5-thiol Usage And Synthesis
  • Chemical Propertieswhite fluffy or crystalline powder or crystals
  • Purification MethodsPurify the tetrazole by recrystallisation from EtOH or CHCl3 (m 152o) [Tautomerism: Kauer & Sheppard J Org Chem 32 3580 1967, UV: Leiber et al. Can J Chem 37 563 1959]. The ammonium salt crystallises from EtOH and decomposes at 176o. The sodium salt crystallises from EtOH/*C6H6, melts at 96o and decomposes at 145o [Stollé J Prakt Chem [2] 133 60 1932]. It is used for the determination of Bi and Pd. [Fresenius Z Anal Chem 261 151 1972, Beilstein 26 III/IV 2065.]
1-Phenyltetrazole-5-thiol Preparation Products And Raw materials
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