ChemicalBook > CAS DataBase List > 4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Structure
4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID
  • CAS No.56671-28-4
  • Chemical Name:4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID
  • CBNumber:CB0752330
  • Molecular Formula:C9H8O4
  • Formula Weight:180.16
  • MOL File:56671-28-4.mol
4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Property
  • Melting point 140 °C
  • Boiling point 383.5±42.0 °C(Predicted)
  • Density 1.406±0.06 g/cm3(Predicted)
  • storage temp. 2-8°C
  • pka 3.74±0.20(Predicted)
  • CAS DataBase Reference 56671-28-4
Safety
  • Hazard Codes  :C
  • Risk Statements  :36/37/38
  • Safety Statements  :26-36/37/39
  • Hazard Note  :Corrosive
  • HazardClass  :IRRITANT
  • HS Code  :2932990090
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H314-H318
  • Precautionary statements P280-P305+P351+P338-P310

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Chemical Properties,Usage,Production

  • Chemical Properties White needle crystals. Melting point 141℃.
  • Uses 4-Oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylic acid can be used as an intermediate of Propala.
  • Definition ChEBI: 4-oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylic acid is a member of benzofurans.
  • Synthesis The methanol solution of resorcinol and potassium hydroxide is used to react with hydrogen under the action of active nickel to generate potassium 3-ketocyclohex-1-enolate, which is then cyclized with ethyl bromopyruvate under alkaline conditions , and then acidified to obtain ?4-oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylic acid.
4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Preparation Products And Raw materials
Raw materials
Preparation Products
4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Suppliers
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4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Spectrum
56671-28-4, 4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACIDRelated Search:
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