Shanghai Nianxing Industrial Co., Ltd
China
Product Name: ethyl 2,4-dihydroxyquinoline-3-carboxylate
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: ETHYL 4-HYDROXY-2-OXO-1,2-DIHYDROQUINOLINE-3-CARBOXYLATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

40059-53-8

40059-53-8 structure

40059-53-8 structure

Name: ethyl 2,4-dihydroxyquinoline-3-carboxylate
Chemical Name: ethyl 4-hydroxy-2-oxo-1H-quinoline-3-carboxylate
CAS Number: 40059-53-8
Molecular Formula: C₁₂H₁₁NO₄
Molecular Weight: 233.220
Create Date: 2018-12-31 18:01:25
Modify Date: 2025-08-25 12:41:20

Name	ethyl 4-hydroxy-2-oxo-1H-quinoline-3-carboxylate
Synonyms	4-hydroxy-1,2-dihydro-2-oxo-3-quinolinecarboxylic acid ethyl ester 3-Quinolinecarboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester ethyl 2,4-dihydroxyquinoline-3-carboxylate 4-hydroxyquinolin-2(1H)-one-3-carboxylic acid ethyl ester ethyl ester of 1H-2-oxo-4-hydroxyquinoline-3-carboxylic acid ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate 3-Quinolinecarboxylic acid,1,2-dihydro-4-hydroxy-2-oxo-,ethyl ester Ethyl 1,2-dihydro-4-hydroxy-2-oxo-3-quinolinecarboxylate 3-Carbethoxy-4-hydroxy-2-quinolone 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid ethyl ester ethyl 1,2-dihydro-4-hydroxy-2-oxoquinoline-3-carboxylate ethyl ester of 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid Ethyl 4-hydroxy-2-oxo-1,2-dihydro-3-quinolinecarboxylate 1,2-Dihydro-4-hydroxy-2-oxo-3-quinolinecarboxylic acid ethyl ester

Density	1.4±0.1 g/cm3
Boiling Point	458.0±45.0 °C at 760 mmHg
Molecular Formula	C₁₂H₁₁NO₄
Molecular Weight	233.220
Flash Point	230.8±28.7 °C
Exact Mass	233.068802
PSA	79.39000
LogP	1.10
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.610

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VB2009450

CHEMICAL NAME :: 3-Quinolinecarboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester

CAS REGISTRY NUMBER :: 40059-53-8

LAST UPDATED :: 199406

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C12-H11-N-O4

MOLECULAR WEIGHT :: 233.24

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 163 mg/kg

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

REFERENCE :: PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 26,138,1992

HS Code	2933499090

HS Code	2933499090
Summary	2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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