23711-48-0

• 常用中文名：(4E)-4-[(4-ethoxyanilino)methylidene]-5-methyl-2-phenylpyrazol-3-one
• 常用英文名：(4E)-4-[(4-ethoxyanilino)methylidene]-5-methyl-2-phenylpyrazol-3-one
• CAS号：23711-48-0
• 分子式：C₁₉H₁₉N₃O₂
• 分子量：321.37300
• 发布时间：2016-06-01 05:03:25
• 更新时间：2025-09-22 23:35:41

名称

• 英文名: (4E)-4-[(4-ethoxyanilino)methylidene]-5-methyl-2-phenylpyrazol-3-one
• 英文别名: 2-Pyrazolin-5-one,3-methyl-4-(p-phenetidinomethylene)-1-phenyl; 3-Methyl-4-(p-phenetidinomethylene)-1-phenyl-2-pyrazolin-5-one; 5-methyl-4-p-phenetidinomethylene-2-phenyl-2,4-dihydro-pyrazol-3-one; 5-Methyl-4-p-phenetidinomethylen-2-phenyl-2,4-dihydro-pyrazol-3-on; 4-[(4-ethoxyphenyl)methylene]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one; 4-(4-ethoxy-anilinomethylene)-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one

物化性质

• 密度: 1.16g/cm3
• 沸点: 445.5ºC at 760 mmHg
• 分子式: C₁₉H₁₉N₃O₂
• 分子量: 321.37300
• 闪点: 223.2ºC
• 精确质量: 321.14800
• PSA: 53.93000
• LogP: 3.37740
• 蒸汽压: 3.94E-08mmHg at 25°C
• 折射率: 1.602

安全

• 海关编码: 2933199090

合成路线

19735-89-8 47174-66-3 ~% 23711-48-0

文献：Passerini; Losco Gazzetta Chimica Italiana, 1939 , vol. 69, p. 658,661,662

上下游产品

上游产品  2
19735-89-8 47174-66-3
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海关

海关编码	2933199090
中文概述	2933199090. 其他结构上有非稠合吡唑环化合物. 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, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%