Ethyl 4-oxo-4H-chromene-2-carboxylate
Names
[ CAS No. ]:
14736-31-3
[ Name ]:
Ethyl 4-oxo-4H-chromene-2-carboxylate
[Synonym ]:
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
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
Precursor & DownStream
Precursor
DownStream
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%