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
安全信息
[ 海关编码 ]:
2918990090
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%
推荐生产厂家/供应商:
公司名:上海化源世纪贸易有限公司
区域:上海市普陀区
价格:
联系人:徐乾明
产品详情:ETHYL 5-METHOXY-4-OXO-4H-CHROMENE-2-CARBOXYLATE
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