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4-氧代-4H-1-苯并吡喃-2-甲酸乙酯

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯名称

[ CAS 号 ]:
14736-31-3

[ 中文名 ]:
4-氧代-4H-色烯-2-羧酸乙酯

[ 英文名 ]:
Ethyl 4-oxo-4H-chromene-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
Chromone-2-carboxylic acid ethyl ester
2-ethyloxycarbonyl-chromone
ethyl chromone-2-carboxylate

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯物理化学性质

[ 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

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯毒性和生态

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

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯安全信息

[ 危害码 (欧洲) ]:
Xi

[ 海关编码 ]:
2918300090

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯上下游产品

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯上游产品

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯下游产品

4-氧代-4H-1-苯并吡喃-2-甲酸乙酯海关

[ 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%