2-Oxo-2H-1-benzopyran-3-carboxylic acid methyl ester

名称

[ CAS 号 ]:
21259-42-7

[ 英文名 ]:
2-Oxo-2H-1-benzopyran-3-carboxylic acid methyl ester

[英文别名 ]:

2-Oxo-2H-chromene-3-carboxylic acid methyl ester
Methyl 2-oxo-2H-chromene-3-carboxylate
methyl 2-oxochromen-3-carboxylate
F0110-0035
2-oxochromene-3-carboxylic acid methyl ester
methyl coumarin-3-carboxylate

物理化学性质

[ 密度 ]:
1.337g/cm3

[ 沸点 ]:
368.9ºC at 760 mmHg

[ 分子式 ]:
C₁₁H₈O₄

[ 分子量 ]:
204.17900

[ 闪点 ]:
192.9ºC

[ 精确质量 ]:
204.04200

[ PSA ]:
56.51000

[ LogP ]:
1.57960

[ 蒸汽压 ]:
1.23E-05mmHg at 25°C

[ 折射率 ]:
1.578

毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2502400

CHEMICAL NAME :: 2H-1-Benzopyran-3-carboxylic acid, 2-oxo-, methyl ester

CAS REGISTRY NUMBER :: 21259-42-7

BEILSTEIN REFERENCE NO. :: 0176130

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H8-O4

MOLECULAR WEIGHT :: 204.19

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 72 mg/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: 75,1486,1955

安全信息

[ 海关编码 ]:
2932209090

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海关

[ 海关编码 ]: 2932209090

[ 中文概述 ]:
2932209090. 其他内酯. 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:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
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