化合物问答
直接黑22(CAS号：6473-13-8)的物理化学性质是什么？
答案
![2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt](https://cnstatic.chemtradehub.com/structs/647/6473-13-8-6903.webp "2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt")
直接黑22是一种有机染料，具有复杂的分子结构，包括二氨基苯基和硫酚基团。它具有较高的溶解度，特别在碱性条件下溶解性增强。分子量约为1022.01 g/mol。在酸性溶液中，它显示较强的负电荷，因此在水溶液中具有良好的分散性。此外，它具有较高的反应活性，能够与多种基团发生偶联反应。
关于
CAS号
6473-13-8
英文名称
2-Naphthalenesulfonic acid,6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt
中文名称
直接黑22
分子式
C44H32N13Na3O11S3
分子量
1084 g/mol
SMILES
C1=CC(=CC=C1NC2=C(C=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3O)N=NC5=C(C=C(C=C5)N)N)S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC6=C(C=C7C=CC(=CC7=C6O)N=NC8=C(C=C(C=C8)N)N)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChIKey
QTFHTNFVUCUDIR-UHFFFAOYSA-K
最后更新: 2025-10-20 00:35
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