5456-14-4

• 常用中文名：4H-Pyran-3,5-dicarboxylicacid, 2,6-dimethyl-4-oxo-, 3,5-diethyl ester
• 常用英文名：4H-Pyran-3,5-dicarboxylicacid, 2,6-dimethyl-4-oxo-, 3,5-diethyl ester
• CAS号：5456-14-4
• 分子式：C₁₃H₁₆O₆
• 分子量：268.26300
• 发布时间：2016-02-10 21:49:16
• 更新时间：2025-08-28 17:23:43

名称

• 英文名: diethyl 2,6-dimethyl-4-oxopyran-3,5-dicarboxylate
• 英文别名: diethyl 2,6-dimethyl-4H-pyran-4-one-3,5-dicarboxylate; 2,6-Dimethyl-4-pyron-3,5-dicarbonsaeureethylester; 2,6-Dimethyl-4-oxo-4H-pyran-3,5-dicarbonsaeure-diaethylester; 2,6-Dimethyl-4-oxo-4H-pyran-3,5-dicarboxylic acid diethyl ester; diethyl 2,6-dimethyl-4-oxo-4h-pyran-3,5-dicarboxylate; 2,6-Dimethyl-4-oxo-4H-pyran-3,5-dicarbonsaeure-diethylester; 3,5-diethoxy-carbonyl-2,6-dimethyl-4H-pyran-4-one

物化性质

• 密度: 1.215g/cm3
• 沸点: 404.1ºC at 760mmHg
• 分子式: C₁₃H₁₆O₆
• 分子量: 268.26300
• 闪点: 179.6ºC
• 精确质量: 268.09500
• PSA: 82.81000
• LogP: 1.61000
• 折射率: 1.496

安全

• 海关编码: 2932999099

合成路线

75-44-5 ~% 5456-14-4

文献：Conrad; Guthzeit Chemische Berichte, 1886 , vol. 19, p. 24 Chemische Berichte, 1887 , vol. 20, p. 154 Full Text Show Details Rassweiler; Adams Journal of the American Chemical Society, 1924 , vol. 46, p. 2761

105-50-0 ~% 5456-14-4

文献：Yamato, Masatoshi; Kusunoki, Youichiro Chemical & Pharmaceutical Bulletin, 1981 , vol. 29, # 5 p. 1214 - 1220

75-36-5 ~% 79353-42-7 5456-14-4

文献：Malachowski Roczniki Chemii, vol. 6, p. 24 Chem. Zentralbl., 1926 , vol. 97, # II p. 2906

129812-44-8 64-19-7 ~% 5456-14-4

文献：Palazzo Gazzetta Chimica Italiana, 1905 , vol. 35 II, p. 471 Chem. Zentralbl., 1905 , vol. 76, # I p. 1258

上下游产品

上游产品  5
75-44-5 105-50-0 75-36-5 129812-44-8
64-19-7
下游产品  6
141-97-9 141-82-2 463-79-6 64-19-7
67-64-1 1004-36-0

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%