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紫脲酸铵

紫脲酸铵
IUPAC名
Ammonium 2,6-dioxo-5-[(2,4,6-trioxo-5-hexahydropyrimidinylidene)amino]-3H-pyrimidin-4-olate
别名 红紫酸铵
识别
CAS号 3051-09-0(无水物)  checkY
6032-80-0(一水合物)  checkY
PubChem 18275
ChemSpider 17264
SMILES
 
  • [O-]\C2=C(/N=C1\C(=O)NC(=O)NC1=O)C(=O)NC(=O)N2.[NH4+]
InChI
 
  • 1/C8H5N5O6.H3N/c14-3-1(4(15)11-7(18)10-3)9-2-5(16)12-8(19)13-6(2)17;/h(H2,10,11,14,15,18)(H3,12,13,16,17,19);1H3
InChIKey LJYRLGOJYKPILZ-UHFFFAOYAL
性质
化学式 C8H8N6O6
摩尔质量 284.19 g·mol−1
外观 暗紫红色结晶粉末,水溶液为深紫色,受PH影响
熔点 >300℃[1]
溶解性 微溶于冷水,溶于热水,几乎不溶于乙醇乙醚
危险性
警示术语 R:R20 R21 R22
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

紫脲酸铵化学式为NH4C8H4N5O6或C8H5N5O6·NH3,是紫红色的结晶粉末。它可由5-氨基巴比妥酸和2,4,5,6(1H,3H)-嘧啶四酮为原料反应得到。[2]

简介

紫脲酸铵最初由两位德国化学家,尤斯图斯·冯·李比希弗里德里希·维勒,于1830年提炼蛇粪时所发现。由于原材料稀少难取得,当时并没有进一步利用此物质,直至二十多年后的1850年代,法国染料商发现从海鸟粪中提炼此物的方法,紫脲酸铵才得以被英法德等国广泛应用作商业染料。除染料外亦可作为配位滴定指示剂,可以检测镧系元素等,也能作为分光光度法测定的试剂。

参考资料

  1. ^ Datenblatt bei ScienceLab (英语)
  2. ^ Eliška Procházková, Petr Jansa, Anna Březinová, Lucie Čechová, Helena Mertlíková-Kaiserová, Antonín Holý, Martin Dračínský. Compound instability in dimethyl sulphoxide, case studies with 5-aminopyrimidines and the implications for compound storage and screening. Bioorganic & Medicinal Chemistry Letters. 2012-10, 22 (20): 6405–6409 [2021-07-05]. doi:10.1016/j.bmcl.2012.08.065. (原始内容存档于2018-06-29) (英语). 
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紫脲酸铵
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