98349-24-7

• 常用中文名：2,4,5-三氟苯甲酰乙酸乙酯
• 常用英文名：Ethyl 3-oxo-3-(2,4,5-trifluorophenyl)propanoate
• CAS号：98349-24-7
• 分子式：C₁₁H₉F₃O₃
• 分子量：246.183
• 发布时间：2018-04-19 08:00:00
• 更新时间：2026-07-03 18:41:41

名称

• 中文名: 2,4,5-三氟苯甲酰乙酸乙酯
• 英文名: Ethyl 2,4,5-trifluorobenzoylacetate
• 中文别名: 3-氧代-3-(2,4,5-三氟苯基)丙酸乙酯; 西他沙星杂质39; 2,4,5-三氟苯甲酰基乙酸乙酯; 2,4,5-三氟苯乙酰乙酸乙酯; 乙基 3-氧代-3-(2,4,5-三氟苯基)丙酸酯; 2,4,5-三氟苯甲酰乙酸乙酯(德拉沙星中间体); 2',4',5'-三氟苯甲酰基乙酸乙酯; 2,3,4,-三氟苯甲酰乙酸乙酯; 2,4,5-三氟-B-氧代苯丙酸乙酯; 4,5-三氟苯甲酰乙酸乙酯
• 英文别名: ethyl 2,4,5-trifluorobenzoylacetat; Ethyl 2,4,5-trifluorobenzoylacetate 98-7; Ethyl (2,4,5-trifluorobenzoyl)acetate, Ethyl 2-(2,4,5-trifluorobenzoyl)ethanoate; Butyric 2,4,5-trifluorobenzoic anhydride; 2,4,5-trifluoro-b-oxobenzenropanoic acid ethylester; ETHYL 3-OXO-3(2,4,5-TRIFLUOROPHENY; MFCD00792431; 3-OXO-3-(2,4,5-TRIFLUORO-PHENYL)-PROPIONIC ACID ETHYL ESTER; 2,4,5-trifluorobenzoyl ethyl acetate; Benzenepropanoic acid, 2,4,5-trifluoro-β-oxo-, ethyl ester; benzenepropanoic acid, 2,4,5-trifluoro-β-oxo-, ethyl ester; 3-Oxo-3-(2,4,5-trifluorophenyl)propanoic Acid Ethyl Ester; ETHYL 3-(2,4,5-TRIFLUOROPHENYL)-3-OXOPROPANOATE; 3-oxo-3-(2,4,5-trifluorophenyl)propanoic acid; Ethyl 2,4,5-Trifluoro-β-oxobenzenropanoate; ETHYL 3-OXO-3-(2,4,5-TRIFLUOROPHENYL)PROPANOATE; 2,4,5-Triflurobenzoflacetate; Sitafloxacin Impurity 39; ETHYL 3-OXO-3(2,4,5-TRIFLUOROPHENYL) PROPIONATE; ETHYL 2,4,5-TRIFLUOROBENZOYLACETATE; (2,4,5-Trifluorobenzoyl)acetic Acid Ethyl Ester; Ethyl 2,4,5-Triflurobenzoflacetate

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 283.1±35.0 °C at 760 mmHg
• 熔点: 66-68ºC
• 分子式: C₁₁H₉F₃O₃
• 分子量: 246.183
• 闪点: 121.2±20.8 °C
• 精确质量: 246.050385
• PSA: 43.37000
• LogP: 1.67
• 外观性状: 白色固体
• 蒸汽压: 0.0±0.6 mmHg at 25°C
• 折射率: 1.469
• 储存条件: 室温，干燥

安全

• 危害码 (欧洲): C: Corrosive;Xi: Irritant;T: Toxic;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): 26-36/37/39
• 危险品运输编码: UN2811 6.
• 海关编码: 2916399090

合成路线

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海关

海关编码	2918300090
中文概述	2918300090 其他含醛基或酮基不含其他含氧基羧酸（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:9.0% 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	2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%