17638-20-9

• 常用中文名：2,3,5,6-Pyridinetetracarbonitrile
• 常用英文名：2,3,5,6-Pyridinetetracarbonitrile
• CAS号：17638-20-9
• 分子式：C₉HN₅
• 分子量：179.13800
• 发布时间：2018-06-26 09:34:29
• 更新时间：2024-01-19 09:48:51

名称

• 英文名: pyridine-2,3,5,6-tetracarbonitrile
• 英文别名: 2,3,5,6-Tetracyan-pyridin; 2,3,5,6-Pyridinetetracarbonitrile; 2,3,5,6-Tetracyanopyridin; 2,3,5,6-tetracyanopyridine

物化性质

• 密度: 1.45g/cm3
• 沸点: 478.5ºC at 760mmHg
• 分子式: C₉HN₅
• 分子量: 179.13800
• 闪点: 151ºC
• 精确质量: 179.02300
• PSA: 108.05000
• LogP: 0.56832
• 蒸汽压: 2.56E-09mmHg at 25°C
• 折射率: 1.614

安全

• 海关编码: 2933399090

合成路线

321579-14-0 ~73% 17638-20-9

文献：Woess, Eva; Monkowius, Uwe; Knoer, Guenther Chemistry - A European Journal, 2013 , vol. 19, # 4 p. 1489 - 1495

1149-23-1 ~% 17638-20-9

文献：Woess, Eva; Monkowius, Uwe; Knoer, Guenther Chemistry - A European Journal, 2013 , vol. 19, # 4 p. 1489 - 1495

1149-24-2 ~% 17638-20-9

文献：Woess, Eva; Monkowius, Uwe; Knoer, Guenther Chemistry - A European Journal, 2013 , vol. 19, # 4 p. 1489 - 1495

14660-50-5 ~% 17638-20-9

文献：Woess, Eva; Monkowius, Uwe; Knoer, Guenther Chemistry - A European Journal, 2013 , vol. 19, # 4 p. 1489 - 1495

14660-47-0 ~% 17638-20-9

文献：Woess, Eva; Monkowius, Uwe; Knoer, Guenther Chemistry - A European Journal, 2013 , vol. 19, # 4 p. 1489 - 1495

海关

海关编码	2933399090
中文概述	2933399090. 其他结构含非稠合吡啶环的化合物. 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	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%