Shanghai Nianxing Industrial Co., Ltd
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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Benzofurancarboxylic acid
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Purity: 98.0%
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496-41-3

496-41-3 structure

496-41-3 structure

Name: Benzofuran-2-carboxylic acid
Chemical Name: Benzofuran-2-carboxylic acid
CAS Number: 496-41-3
Molecular Formula: C₉H₆O₃
Molecular Weight: 162.14200
Create Date: 2018-03-08 08:00:00
Modify Date: 2026-07-01 18:56:10

Name	Benzofuran-2-carboxylic acid
Synonyms	Compound Fr13623 2-Cboxybenzofuran 4,5-BENZOFURAN-2-CBOXYLIC ACID 2,3-BENZOFURAN-2-CBOXYLIC ACID MFCD00005848 Benzo[b]furan-2-carboxylic acid COUMONE-2-CBOXYLIC ACID TIMTEC-BB SBB000137 Benzobüfuran-2-cboxylic acid Coumilic acid, Coumone-2-cboxylic acid OTAVA-BB BB0125160292 benxofuran-2-cboxylic acid Benzofuran-2-carboxylic Acid Coumarone-2-carboxylic Acid Coumilic acid, 1-Benzofuran-2-cboxylic acid BENZOFURAN-2-CBOXYLIC ACID Benzofuran-2-cboxylicacid=Coumilicacid AURORA Benzo[b]furan-2-cboxylic acid, HPLC COUMILIC ACID RECHEM AL BE 0556 Coumarilic Acid Benzo[b]furan-2-cboxylic acid benzofurane-2-cboxylic acid 2-BENZOFURANCBOXYLIC ACID benzfuran-2-Cboxylic acid Benzofuran-2-cboxylic Acid > EINECS 207-818-9 1-BENZOFURAN-2-CBOXYLIC ACID 2-Benzofurancboxylicacid 1-benzofuran-2-carboxylic acid

Boiling Point	310-315°C
Melting Point	193-196 °C(lit.)
Molecular Formula	C₉H₆O₃
Molecular Weight	162.14200
Flash Point	310-315°C
Exact Mass	162.03200
PSA	50.44000
LogP	2.13100
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.649
Water Solubility	partially soluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DF6490000

CHEMICAL NAME :: 2-Benzofurancarboxylic acid

CAS REGISTRY NUMBER :: 496-41-3

BEILSTEIN REFERENCE NO. :: 0124204

LAST UPDATED :: 199709

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C9-H6-O3

MOLECULAR WEIGHT :: 162.15

WISWESSER LINE NOTATION :: T56 BOJ CVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,7,1953

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 320 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

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

Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
WGK Germany	3
RTECS	DF6490000
HS Code	29329985

Precursor 9
271-89-6 124-38-9 54008-77-4 2258-42-6
614-60-8 55038-01-2 334022-78-5 1646-26-0
6280-80-4
DownStream 10
33094-66-5 64209-68-3 10242-12-3 41717-30-0
4265-25-2 41717-32-2 4265-16-1 41717-28-6
488-48-2 27044-77-5

HS Code	29329985

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