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2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-

名称

[ CAS 号 ]:
6335-27-9

[ 英文名 ]:
2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-

[英文别名 ]:

4,7-dimethyl-5-hydroxy-2H-1-benzopyran-2-one
Coumarin,4,7-dimethyl-5-hydroxy
4,7-dimethyl-5-hydroxycoumarin
5-hydroxy-4,7-dimethyl-2H-chromen-2-one
5-hydroxy-4,7-dimethylcoumarin
5-hydroxy-4,7-dimethyl-6-nitrosocoumarin
5-hydroxy-4,7-dimethyl-2H-1-benzopyran-2-one
2H-1-Benzopyran-2-one,4,7-dimethyl-5-hydroxy

物理化学性质

[ 密度 ]:
1.269g/cm3

[ 沸点 ]:
371.3ºC at 760 mmHg

[ 分子式 ]:
C₁₁H₁₀O₃

[ 分子量 ]:
190.19500

[ 闪点 ]:
167.2ºC

[ 精确质量 ]:
190.06300

[ PSA ]:
50.44000

[ LogP ]:
2.11540

[ 折射率 ]:
1.599

毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN6705000

CHEMICAL NAME :: Coumarin, 4,7-dimethyl-5-hydroxy-

CAS REGISTRY NUMBER :: 6335-27-9

BEILSTEIN REFERENCE NO. :: 0163053

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H10-O3

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 :: >3200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 17,497,1967

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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%