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496-41-3

Basic Information
CAS No.: 496-41-3
Name: Benzofuran-2-carboxylic acid
Article Data: 64
Molecular Structure:
Molecular Structure of 496-41-3 (Benzofuran-2-carboxylic acid)
Formula: C9H6O3
Molecular Weight: 162.145
Synonyms: Coumarilicacid (6CI);1-Benzofuran-2-carboxylic acid;2,3-Benzofuran-2-carboxylic acid;2-Carboxybenzofuran;Benzo[b]furan-2-carboxylic acid;Coumarone-2-carboxylicacid;NSC 6165;2-Benzofurancarboxylicacid;
EINECS: 207-818-9
Density: 1.364 g/cm3
Melting Point: 193-196 °C(lit.)
Boiling Point: 313.379 °C at 760 mmHg
Flash Point: 143.327 °C
Solubility: partially soluble in water
Appearance: white to light yellow crystal powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-37/39
PSA: 50.44000
LogP: 2.13100
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Chemistry

IUPAC Name: 1-Benzofuran-2-carboxylic acid
The molecular formula of Benzofuran-2-carboxylic acid (CAS NO.496-41-3) is C9H6O3.

                                     
The molecular weight of Benzofuran-2-carboxylic acid (CAS NO.496-41-3) is 162.14.
Synonyms of Benzofuran-2-carboxylic acid (CAS NO.496-41-3): 1-Benzofuran-2-carboxylic acid ; Benzo(b)furan-2-carboxylic acid ; Coumarilic acid
Product Categories: Carboxylic Acids;Furans, Benzofurans & Dihydrobenzofurans;Furan&Benzofuran;Carboxylic Acids
Apperance: white to light yellow crystal powder
Water Solubility: partially soluble
Index of Refraction: 1.649 
EINECS: 207-818-9
Density: 1.363 g/ml 
Flash Point: 143.3 °C 
Boiling Point: 313.4 °C
Melting Point: 192-195 °C
Merck: 14,2561
BRN: 124204

Uses

 Benzofuran-2-carboxylic acid (CAS NO.496-41-3) is used as chemical reagent, organic intermediates, fine chemicals, pharmaceutical research and development.

Toxicity Data With Reference

1.    

ivn-mus LD50:320 mg/kg

    CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#02495 .

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by intravenous route. When heated to decomposition it emits acrid smoke and irritating vapors.Safety information of Benzofuran-2-carboxylic acid (CAS NO.496-41-3):
Hazard Codes  IrritantXi
Risk Statements  36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements  26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany  3
RTECS  DF6490000
Hazard Note  Irritant