ETHYL 5-METHOXY-4-OXO-1,4-DIHYDRONAPHTHALENE-2-CARBOXYLATE

名称

[ CAS 号 ]:
5527-76-4

[ 英文名 ]:
ETHYL 5-METHOXY-4-OXO-1,4-DIHYDRONAPHTHALENE-2-CARBOXYLATE

[英文别名 ]:

ethyl 5-methoxy-4-oxo-4H-chromene-2-carboxylate
ethyl 5-methoxy-4-oxo-4H-chromen-2-carboxylate
2-ethyloxy-5-methoxychromone

物理化学性质

[ 密度 ]:
1.284g/cm3

[ 沸点 ]:
382.9ºC at 760 mmHg

[ 分子式 ]:
C₁₃H₁₂O₅

[ 分子量 ]:
248.23100

[ 闪点 ]:
213.2ºC

[ 精确质量 ]:
248.06800

[ PSA ]:
65.74000

[ LogP ]:
1.97830

[ 折射率 ]:
1.555

毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2392000

CHEMICAL NAME :: 4H-1-Benzopyran-2-carboxylic acid, 5-methoxy-4-oxo-, ethyl ester

CAS REGISTRY NUMBER :: 5527-76-4

BEILSTEIN REFERENCE NO. :: 1319702

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C13-H12-O5

MOLECULAR WEIGHT :: 248.25

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

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安全信息

[ 海关编码 ]:
2918990090

合成路线

详细合成路线

海关

[ 海关编码 ]: 2918990090

[ 中文概述 ]:
2918990090. 其他含其他附加含氧基羧酸（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:13.0%. 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 ]:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%