Basic information Safety Supplier Related

Benzofuran-2-carboxylic acid

Basic information Safety Supplier Related

Benzofuran-2-carboxylic acid Basic information

Product Name:
Benzofuran-2-carboxylic acid
Synonyms:
  • 4,5-BENZOFURAN-2-CARBOXYLIC ACID
  • COUMARILIC ACID
  • COUMARONE-2-CARBOXYLIC ACID
  • BENZOFURAN-2-CARBOXYLIC ACID
  • BENZO[B]FURAN-2-CARBOXYLIC ACID
  • AURORA 2460
  • RARECHEM AL BE 0556
  • OTAVA-BB BB0125160292
CAS:
496-41-3
MF:
C9H6O3
MW:
162.14
EINECS:
207-818-9
Product Categories:
  • Benzofurans
  • Building Blocks
  • Carboxylic Acids
  • Furans, Benzofurans & Dihydrobenzofurans
  • Chemical Synthesis
  • Heterocyclic Building Blocks
  • Furan&Benzofuran
  • Carboxylic Acids
  • Furans, Benzofurans & Dihydrobenzofurans
Mol File:
496-41-3.mol
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Benzofuran-2-carboxylic acid Chemical Properties

Melting point:
193-196 °C (lit.)
Boiling point:
310-315°C
Density 
1.2599 (rough estimate)
refractive index 
1.5380 (estimate)
Flash point:
310-315°C
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
soluble in Methanol,Ethanol,Acetone
pka
3.12±0.30(Predicted)
form 
Crystals or Powder
color 
White to yellow
Water Solubility 
partially soluble
Merck 
14,2561
BRN 
124204
LogP
2.410
CAS DataBase Reference
496-41-3(CAS DataBase Reference)
NIST Chemistry Reference
Benzofuran-2-carboxylic acid(496-41-3)
EPA Substance Registry System
2-Benzofurancarboxylic acid (496-41-3)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
WGK Germany 
3
RTECS 
DF6490000
TSCA 
Yes
HazardClass 
IRRITANT
HS Code 
29329985
Toxicity
mouse,LD50,intravenous,320mg/kg (320mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02495,

MSDS

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Benzofuran-2-carboxylic acid Usage And Synthesis

Chemical Properties

white to light yellow crystal powde

Uses

Benzofuran-2-carboxylic acid was used in the synthesis of the oxymethyl-modified coumarinic acid-based cyclic DADLE (H-Tyr-D-Ala-Gly-Phe-D-Leu-OH) prodrug.

Synthesis Reference(s)

Journal of the American Chemical Society, 73, p. 872, 1951 DOI: 10.1021/ja01146a532
Organic Syntheses, Coll. Vol. 3, p. 209, 1955

Purification Methods

The acid crystallises from water. [Beilstein 18/6 V 419.]

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