57543-61-0

• 常用中文名：6-甲氧基-2H-色烯-3-羧酸乙基酯
• 常用英文名：6-METHOXY-2H-CHROMENE-3-CARBOXYLIC ACID ETHYL ESTER
• CAS号：57543-61-0
• 分子式：C₁₃H₁₄O₄
• 分子量：234.24800
• 发布时间：2019-02-02 07:15:19
• 更新时间：2025-09-02 13:01:36

名称

• 中文名: 6-甲氧基-2H-色烯-3-羧酸乙基酯
• 英文名: ethyl 6-methoxy-2H-chromene-3-carboxylate
• 英文别名: 2H-1-Benzopyran-3-carboxylic acid,6-methoxy-,ethyl ester; Ethyl 6-methoxy-2H-1-benzopyran-3-carboxylate; 6-METHOXY-2H-CHROMENE-3-CARBOXYLIC ACID ETHYL ESTER

物化性质

• 密度: 1.19g/cm3
• 沸点: 353.1ºC at 760 mmHg
• 分子式: C₁₃H₁₄O₄
• 分子量: 234.24800
• 闪点: 156.1ºC
• 精确质量: 234.08900
• PSA: 44.76000
• LogP: 2.03410
• 折射率: 1.541

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : DJ2387000 CHEMICAL NAME : 2H-1-Benzopyran-3-carboxylic acid, 6-methoxy-, ethyl ester CAS REGISTRY NUMBER : 57543-61-0 BEILSTEIN REFERENCE NO. : 1379586 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H14-O4 MOLECULAR WEIGHT : 234.27 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 11,81,1976

安全

• 海关编码: 2918990090

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%