21079-27-6

• 常用中文名：Propanedioicacid, 2-(1,1-dimethyl-2-propyn-1-yl)-, 1,3-diethyl ester
• 常用英文名：Propanedioicacid, 2-(1,1-dimethyl-2-propyn-1-yl)-, 1,3-diethyl ester
• CAS号：21079-27-6
• 分子式：C₁₂H₁₈O₄
• 分子量：226.26900
• 发布时间：2016-04-29 06:14:55
• 更新时间：2025-08-22 12:30:31

名称

• 英文名: diethyl 2-(2-methylbut-3-yn-2-yl)propanedioate
• 英文别名: ethyl 3,3-dimethyl-2-ethoxycarbonylpent-4-ynoate

物化性质

• 密度: 1.039g/cm3
• 沸点: 284.2ºC at 760mmHg
• 分子式: C₁₂H₁₈O₄
• 分子量: 226.26900
• 闪点: 131.1ºC
• 精确质量: 226.12100
• PSA: 52.60000
• LogP: 1.38820
• 蒸汽压: 0.00303mmHg at 25°C
• 折射率: 1.453

安全

• 海关编码: 2917190090

合成路线

1111-97-3 105-53-3 ~62% 21079-27-6

文献：Stulgies, Balder; Prinz, Peter; Magull, Joerg; Rauch, Karsten; Meindl, Kathrin; Ruehl, Stephan; De Meijere, Armin Chemistry - A European Journal, 2005 , vol. 11, # 1 p. 308 - 320

6214-31-9 105-53-3 ~39% 21079-27-6

文献：Rank, Elisabeth; Brueckner, Reinhard European Journal of Organic Chemistry, 1998 , # 6 p. 1045 - 1053

6214-32-0 105-53-3 ~% 21079-27-6

文献：Imperial Chemical Industries Limited Patent: US4198347 A1, 1980 ;

115-19-5 ~% 21079-27-6

文献：Stulgies, Balder; Prinz, Peter; Magull, Joerg; Rauch, Karsten; Meindl, Kathrin; Ruehl, Stephan; De Meijere, Armin Chemistry - A European Journal, 2005 , vol. 11, # 1 p. 308 - 320

1111-97-3 996-82-7 ~% 21079-27-6

文献：Behrens et al. Journal of Biological Chemistry, 1948 , vol. 175, p. 801 Journal of the American Chemical Society, 1948 , vol. 70, p. 2855

685-87-0 ~% 21079-27-6

文献：Veber,M. et al. Journal of Organometallic Chemistry, 1979 , vol. 177, p. 231 - 237

996-82-7 1111-97-3 ~% 21079-27-6

文献：Cordes,C. et al. Helvetica Chimica Acta, 1968 , vol. 51, p. 1663 - 1678

上下游产品

上游产品  7
1111-97-3 105-53-3 6214-31-9 6214-32-0
115-19-5 996-82-7 685-87-0
下游产品  7
3177-74-0 35849-64-0 23461-67-8 758-66-7
7796-73-8 67099-41-6 87110-26-7

海关

海关编码	2917190090
中文概述	2917190090 其他无环多元羧酸. 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, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%