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对氨基苯胂酸

对氨基苯胂酸
IUPAC名
4-aminophenylarsonic acid
4-氨基苯胂酸
英文名 Arsanilic acid
别名 氨苯胂酸;对氨苯胂酸;对氨基苯砷酸;胂酸苯胺;对阿散酸;阿散酸
识别
CAS号 98-50-0  ☒N
PubChem 6432805
InChI
 
  • 1/C6H8AsNO3/c8-6-3-1-5(2-4-6)7(9,10)11/h1-4H,8H2,(H2,9,10,11)
InChIKey XKNKHVGWJDPIRJ-UHFFFAOYAQ
ChEBI 49477
DrugBank DB03006
性质
化学式 C6H8AsNO3
摩尔质量 217.054 g·mol⁻¹
外观 白色固体
密度 1.957 g/cm3
熔点 232 °C
溶解性 微溶于冷水
危险性
欧盟危险性符号
有毒有毒 T
危害环境危害环境N
警示术语 R:R23/25, R50/53
安全术语 S:S20/21, S28, S45, S60, S61
NFPA 704
0
2
0
 
相关物质
相关化学品 对氨基苯膦酸
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

对氨基苯胂酸,俗称对阿散酸阿散酸(Arsanilic acid),一种有机砷化合物,是苯胂酸苯环4-位被氨基取代形成的化合物。

性质

无色或白色针状晶体。几乎无臭。有毒。不溶于稀无机酸、丙酮乙醚氯仿,微溶于冷水、乙醇乙酸,溶于热水、碳酸碱溶液、浓无机酸溶液、戊醇[1] 主要以两性离子形式()存在。[2]

制取

苯胺五氧化二砷砷酸)反应胂化,得对氨基苯胂酸。[3]

  • 还原法

由对硝基苯胂酸经铁粉还原而得。[1] 对硝基苯胂酸可通过对硝基苯胺重氮化、胂化制得。

用途

用作饲用抗菌素、医药中间体和分析试剂。早期曾用于治疗皮肤病。

参见

  • 苯胂酸
  • 对氨基苯胂酸钠

参考资料

  1. ^ 1.0 1.1 4-氨基苯胂酸;对氨基苯砷酸;胂酸苯胺;对阿散酸;对氨基苯胂酸. 化工引擎. [2009-09-06]. (原始内容存档于2019-08-15). 
  2. ^ R. H. Nuttall and W. N. Hunter. p-Arsanilic Acid, a Redetermination. Acta Cryst. 1996, C52: 1681–1683. doi:10.1107/S010827019501657X. 
  3. ^ W. Lee Lewis and H. C. Cheetham (1941). "Arsanilic Acid". Org. Synth.; Coll. Vol. 1: 70. 
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对氨基苯胂酸
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