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4-Pyrazol-1-yl-benzaldehyde

4-Pyrazol-1-yl-benzaldehyde Structure
4-Pyrazol-1-yl-benzaldehyde
  • CAS No.99662-34-7
  • Chemical Name:4-Pyrazol-1-yl-benzaldehyde
  • CBNumber:CB3142990
  • Molecular Formula:C10H8N2O
  • Formula Weight:172.18
  • MOL File:99662-34-7.mol
4-Pyrazol-1-yl-benzaldehyde Property
  • Melting point 82-83°C
  • Boiling point 310.1±25.0 °C(Predicted)
  • Density 1.15±0.1 g/cm3(Predicted)
  • storage temp. under inert gas (nitrogen or Argon) at 2-8°C
  • form powder
  • pka -0.34±0.10(Predicted)
  • color Yellow
  • CAS DataBase Reference 99662-34-7(CAS DataBase Reference)
  • UNSPSC Code 12352200
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/37/38
  • Safety Statements  :24/25
  • HazardClass  :IRRITANT
  • HS Code  :2933199090
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319-H335
  • Precautionary statements P261-P271-P280

4-Pyrazol-1-yl-benzaldehyde Chemical Properties,Usage,Production

  • Synthesis To a solution of 4-Fluorobenzaldehyde (10 g, 80.6 mmol) in dry DMF (100 mL) were added pyrazole (5.5 g, 80.6 mmol) and K2C03 (12.2 g, 88.7 mmol). The resulting solution was stirred at 100 °C for overnight. After cooling to RT, the residue was treated with water and extracted with EA. The organic extracts were washed with water and brine, dried over anhydrous Na2SO4, filtered and concentrated to give a crude oil. The crude product was purified by recrystallization to afford 4-Pyrazol-1-yl-benzaldehyde (4 g, 29 percent).1HNMR (CDC13, 300 MHz) ?: 6.5-6.6 (s, 1 H), 7.7-7.8 (s, 1 H), 7.9-8.0 (d, 2 H), 8.0-8.1 (d, 2 H), 8.1-8.2 (s, 1 H), 10.0-10.1 (s, 1 H).
4-Pyrazol-1-yl-benzaldehyde Preparation Products And Raw materials
Raw materials
Preparation Products
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4-Pyrazol-1-yl-benzaldehyde Spectrum
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