7-Amino-4-hydroxy-3-((2-sulpho-4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic acid | 56499-46-8

• 分子结构分类: 有机化合物 - 苯类化合物 - 萘
• 英文名称: 7-Amino-4-hydroxy-3-((2-sulpho-4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic acid
• 英文别名: 7-amino-4-hydroxy-3-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonic acid
• CAS: 56499-46-8
• 化学式: C₂₂H₁₇N₅O₁₀S₃
• 分子量: 607.6
• InChiKey: KJGZONUYPWSTFF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  40
• 可旋转键数：
  7
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  284
• 氢给体数：
  5
• 氢受体数：
  15

文献信息

• AZO COMPOUND, INK COMPOSITION AND COLORING MATERIAL
  申请人：NIPPON KAYAKU KABUSHIKI KAISHA

  公开号：EP1810999A1

  公开（公告）日：2007-07-25

  [Problems] A compound of a black ink which has such excellent fastnesses of a recorded article as light fastness, ozone gas fastness and moisture fastness, excellent solubility, and storage stability as a recording liquid, when used for inkjet recording and writing tools, and an ink composition comprising the same are provided. [Method for solving the problems] An azo compound represented by the following Formula (1) or a salt thereof, and an ink composition comprising the same (wherein, each of R1, R2, R5, R6 and R7 independently represents a hydrogen atom, a carboxyl group, a sulfo group and the like, each of R3 and R4 independently represents a hydrogen atom, a sulfo group, a nitro group, a (C1 to C4) alkyl group (which may be substituted by a hydroxyl group or a (C1 to C4) alkoxy group), a (C1 to C4) alkoxy group (which may be substituted by a hydroxyl group, a (C1 to C4) alkoxy group, a sulfo group or a carboxyl group) and the like, and n represents 0 or 1, respectively).

  问题 本发明提供了一种黑色墨水化合物，该化合物在用于喷墨记录和书写工具时，具有优异的记录物品耐光牢度、耐臭氧气体牢度和耐湿牢度，作为记录液体具有优异的溶解性和储存稳定性，还提供了包含该化合物的墨水组合物。 [解决问题的方法］ 一种由下式（1）表示的偶氮化合物或其盐，以及由其组成的墨水组合物 (其中，R1、R2、R5、R6 和 R7 各自独立地代表氢原子、羧基、亚砜基等，R3 和 R4 各自独立地代表氢原子、亚砜基、硝基、(C1～C4)烷基（可被羟基或(C1～C4)烷氧基取代）、(C1～C4)烷氧基（可被羟基、(C1～C4)烷氧基、亚砜基或羧基取代）等，且 n 分别代表 0 或 1）。