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14736-31-3

14736-31-3结构式
14736-31-3结构式

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中文名 4-氧代-4H-色烯-2-羧酸乙酯
英文名 ethyl 4-oxochromene-2-carboxylate
中文别名 4-氧代-4H-1-苯并吡喃-2-甲酸乙酯
英文别名 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
密度 1.3±0.1 g/cm3
沸点 325.0±42.0 °C at 760 mmHg
分子式 C12H10O4
分子量 218.205
闪点 143.2±27.9 °C
精确质量 218.057907
PSA 56.51000
LogP 1.45
蒸汽压 0.0±0.7 mmHg at 25°C
折射率 1.568
储存条件 室温

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

危害码 (欧洲) Xi
海关编码 2918300090
海关编码 2918300090
中文概述 2918300090 其他含醛基或酮基不含其他含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素 品名, 成分含量, 用途
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%