3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on

名称

[ CAS 号 ]:
137987-94-1

[ 英文名 ]:
3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on

物理化学性质

[ 密度 ]:
1.48g/cm3

[ 沸点 ]:
456.7ºC at 760mmHg

[ 分子式 ]:
C₁₅H₉ClO₄

[ 分子量 ]:
288.68300

[ 闪点 ]:
230ºC

[ 精确质量 ]:
288.01900

[ PSA ]:
59.67000

[ LogP ]:
3.94430

[ 蒸汽压 ]:
5.85E-09mmHg at 25°C

[ 折射率 ]:
1.67

毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DJ2978780

CHEMICAL NAME :: 4H-1-Benzopyran-4-one, 3-(4-chlorophenoxy)-7-hydroxy-

CAS REGISTRY NUMBER :: 137987-94-1

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C15-H9-Cl-O4

MOLECULAR WEIGHT :: 288.69

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >1800 mg/kg

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

REFERENCE :: PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 25,816,1991

安全信息

[ 海关编码 ]:
2932999099

合成路线

详细合成路线

海关

[ 海关编码 ]: 2932999099

[ 中文概述 ]:
2932999099. 其他仅含氧杂原子的杂环化合物. 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:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%