Ethyl 4-oxo-4H-chromene-2-carboxylate

Modify Date: 2024-01-17 13:41:21

Ethyl 4-oxo-4H-chromene-2-carboxylate Structure
Ethyl 4-oxo-4H-chromene-2-carboxylate structure
Common Name Ethyl 4-oxo-4H-chromene-2-carboxylate
CAS Number 14736-31-3 Molecular Weight 218.205
Density 1.3±0.1 g/cm3 Boiling Point 325.0±42.0 °C at 760 mmHg
Molecular Formula C12H10O4 Melting Point N/A
MSDS N/A Flash Point 143.2±27.9 °C

 Names

Name ethyl 4-oxochromene-2-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 325.0±42.0 °C at 760 mmHg
Molecular Formula C12H10O4
Molecular Weight 218.205
Flash Point 143.2±27.9 °C
Exact Mass 218.057907
PSA 56.51000
LogP 1.45
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.568

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2501200
CHEMICAL NAME :
4H-1-Benzopyran-2-carboxylic acid, 4-oxo-, ethyl ester
CAS REGISTRY NUMBER :
14736-31-3
BEILSTEIN REFERENCE NO. :
0178173
LAST UPDATED :
199612
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C12-H10-O4
MOLECULAR WEIGHT :
218.22
WISWESSER LINE NOTATION :
T66 BO EVJ CVO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 15,865,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHTXA6 Pharmacology and Toxicology. English translation of FATOAO. (New York, NY) V.20-22, 1957-59. Discontinued. Volume(issue)/page/year: 21,555,1958
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 71,686,1951

 Safety Information

Hazard Codes Xi
HS Code 2918300090

 Customs

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Synonyms

ethyl 4-oxochromen-2-carboxylate
4-Oxo-4H-chromen-2-carbonsaeure-aethylester
Ethyl 4-oxo-4H-chromene-2-carboxylate
4-oxo-4H-chromene-2-carboxylic acid ethyl ester
Ethyl 4-oxo-4H-1-benzopyran-2-carboxylate
4H-1-Benzopyran-2-carboxylic acid, 4-oxo-, ethyl ester
Chromone-2-carboxylic acid ethyl ester
2-ethyloxycarbonyl-chromone
4H-1-BENZOPYRAN-2-CARBOXYLIC ACID,4-OXO-,ETHYL ESTER
ethyl chromone-2-carboxylate