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Benzofuran-2-carboxylic acid

HCID 10331
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Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
496-41-3
Standard SMILES
O=C(O)c1cc2ccccc2o1
InChIKey
OFFSPAZVIVZPHU-UHFFFAOYSA-N
Molecular formula
C9H6O3
Average molar mass
162.14 g/mol
Monoisotopic mass
162.03169405

Names & identifiers

Preferred name
Benzofuran-2-carboxylic acid
IUPAC
1-benzofuran-2-carboxylic acid
English name
Benzofuran-2-carboxylic acid
Molecular formula
C9H6O3
Molecular weight
162.14

Names & synonyms

Benzofuran-2-carboxylic acidRefChem:85555496-41-3Coumarilic acid1-Benzofuran-2-carboxylic acid2-BENZOFURANCARBOXYLIC ACIDBenzo[b]furan-2-carboxylic acidCoumarone-2-carboxylic acid2-CarboxybenzofuranMFCD00005848Benzo(b)furan-2-carboxylic acidBRN 0124204
Show more names
AKOS 91692AURORA 2460AKOS AUF2077Compound Fr13623RARECHEM AL BE 0556TIMTEC-BB SBB000137OTAVA-BB BB0125160292
AI3-03711NSC6165NSC-6165CHEMBL840957Z6NMG947L1-benzofurane-2-carboxylic acidF3096-1740CDS1_000167

Database identifiers

CAS
496-41-3
PubChem CID
10331
DTXSID
DTXSID2060090
ChEMBL
CHEMBL84095
UNII
7Z6NMG947L
EC Number
207-818-9
Nikkaji
J6.092E

Properties

Computed structural properties

XLogP
2.4
Topological polar surface area
50.4 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
3
Rotatable bonds
1
Heavy atoms
12
Formal charge
0
Complexity
190

Experimental & physicochemical properties

LogP2.41

Physicochemical properties

Melting point
193 · 193-196 °C (lit.)
Boiling point
310 · 310-315°C
Density
1.2599 · 1.2599 (rough estimate)
refractive index
1.538 · 1.5380 (estimate)
Flash point
310 · 310-315°C
storage temp.
Keep in dark place,Sealed in dry,Room Temperature
solubility
soluble in Methanol,Ethanol,Acetone
pka
3.12 · 3.12±0.30(Predicted)
form
Crystals or Powder
color
White to yellow
Water Solubility
partially soluble
Merck
14 · 14,2561
BRN
124204 · 124204

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H315 (97.9%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesSkin Irrit. 2 (97.9%)

Safety data

PPE
dust mask type N95 (US), Eyeshields, Gloves
wgk
3
tsca
TSCA listed
rtecs
DF6490000
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,
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xi
safety_code
26-37/39
hazard_class
IRRITANT
Storage Class
11 - Combustible Solids
target organs
Respiratory system

Chemistry & industry

Uses & manufacturing

General Manufacturing Information2-Benzofurancarboxylic acid: ACTIVE

Applications

UsesBenzofuran-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.

Upstream & downstream products

Upstream raw materials

EthanolPotassium hydroxidePotassium carbonate2-Butanone3-HydroxybenzaldehydeDiethyl etherBenzeneDiethyl bromomalonateSulfuric acid3-Hydroxycoumarin

Downstream products

2,3-Dihydro-1-benzofuran-2-carboxylic acidN-(2-Bromophenyl)benzofuran-2-carboxamideN-(Benzofuran-2-yl)-4-chlorobenzaMide

Related reactions

1,016 records
New reaction record
HRID 29312 reaction equation
HRID 29312As reactantuspto-grants-2008_09
HRID 29453 reaction equation
HRID 29453As reactantuspto-grants-2008_09
HRID 29495 reaction equation
HRID 29495As reactantuspto-grants-2008_09
HRID 29699 reaction equation
HRID 29699As reactantuspto-grants-2008_09
HRID 29718 reaction equation
HRID 29718As reactantuspto-grants-2008_09
HRID 36515 reaction equation
HRID 36515As reactantuspto-grants-1995_05
HRID 36535 reaction equation
HRID 36535As reactantuspto-grants-1995_05
HRID 45283 reaction equation
HRID 45283As reactantuspto-grants-2013_09
Page 1 of 127

Compound notes

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InChI
1S/C9H6O3/c10-9(11)8-5-6-3-1-2-4-7(6)12-8/h1-5H,(H,10,11)
InChIKey
OFFSPAZVIVZPHU-UHFFFAOYSA-N
SMILES
OC(=O)c1cc2ccccc2o1
LogP
2.41 · 2.410
CAS DataBase Reference
496 · 496-41-3(CAS DataBase Reference)
EWG's Food Scores
1 · 1
FDA UNII
7 Z6NMG947L · 7Z6NMG947L
NIST Chemistry Reference
-2 · Benzofuran-2-carboxylic acid(496-41-3)
EPA Substance Registry System
2 · 2-Benzofurancarboxylic acid (496-41-3)
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
315 · H315-H319-H335
Precautionary statements
261 · P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs
Respiratory system
PPE
95 · dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes
Xi
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-37/39
WGK Germany
3 · 3
RTECS
6490000 · DF6490000
TSCA
TSCA listed
HazardClass
IRRITANT
HS Code
29329985 · 29329985
Storage Class
11 · 11 - Combustible Solids
Hazard Classifications
2 Skin · Eye Irrit. 2Skin Irrit. 2STOT SE 3
Toxicity
50 · mouse,LD50,intravenous,320mg/kg (320mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02495,
Hazard statements
H315-H319-H335
Hazard Classifications
Eye Irrit. 2Skin Irrit. 2STOT SE 3
Precautionary statements
P261-P264-P271-P280-P302+P352-P305+P351+P338