ChemicalBook > CAS DataBase List > Benzofuran-2-carboxylic acid

Benzofuran-2-carboxylic acid

Product Name
Benzofuran-2-carboxylic acid
CAS No.
496-41-3
Chemical Name
Benzofuran-2-carboxylic acid
Synonyms
AKOS 91692;AURORA 2460;AKOS AUF2077;COUMARILIC ACID;Compound Fr13623;RARECHEM AL BE 0556;TIMTEC-BB SBB000137;2-Carboxybenzofuran;OTAVA-BB BB0125160292;COUMARONE-2-CARBOXYLIC ACID
CBNumber
CB6278401
Molecular Formula
C9H6O3
Formula Weight
162.14
MOL File
496-41-3.mol
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Benzofuran-2-carboxylic acid Property

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

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,
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
307270
Product name
Benzofuran-2-carboxylic acid
Purity
99%
Packaging
5g
Price
$70.3
Updated
2024/03/01
TCI Chemical
Product number
B1981
Product name
Benzofuran-2-carboxylic Acid
Purity
>99.0%(GC)(T)
Packaging
1g
Price
$31
Updated
2024/03/01
TCI Chemical
Product number
B1981
Product name
Benzofuran-2-carboxylic Acid
Purity
>99.0%(GC)(T)
Packaging
5g
Price
$84
Updated
2024/03/01
Alfa Aesar
Product number
A15579
Product name
Benzo[b]furan-2-carboxylic acid, 98+%
Packaging
1g
Price
$30
Updated
2021/12/16
Alfa Aesar
Product number
A15579
Product name
Benzo[b]furan-2-carboxylic acid, 98+%
Packaging
5g
Price
$92.8
Updated
2021/12/16
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Benzofuran-2-carboxylic acid Chemical Properties,Usage,Production

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.]

Benzofuran-2-carboxylic acid Preparation Products And Raw materials

Raw materials

Ethanol Potassium hydroxide Potassium carbonate 2-Butanone 3-Hydroxybenzaldehyde Diethyl ether Benzene DIETHYL BROMOMALONATE Sulfuric acid

Preparation Products

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Benzofuran-2-carboxylic acid Suppliers

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View Lastest Price from Benzofuran-2-carboxylic acid manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
Benzofuran-2-carboxylic acid 496-41-3
Price
US $30.00-20.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
3000KG
Release date
2024-07-23
henan kanbei chemical co.,ltd
Product
Benzofuran-2-carboxylic acid 496-41-3
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
1000kg
Release date
2022-09-19
Henan Aochuang Chemical Co.,Ltd.
Product
Benzofuran-2-carboxylic acid 496-41-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1ton
Release date
2022-09-19

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