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 ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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相关化合物
CAS号[21259-42-7]化源网提供[2-Oxo-2H-1-benzopyran-3-carboxylic acid methyl ester]MSDS、说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。>>电脑版:2-Oxo-2H-1-benzopyran-3-carboxylic acid methyl ester
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