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CAS 13011-56-8

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2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(4-amino-1-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:2)

Description:
2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(4-amino-1-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:2), commonly referred to as a diazo dye, is characterized by its complex molecular structure that includes multiple naphthalene rings and sulfonic acid groups. This compound is typically used in dyeing processes due to its vibrant color properties and ability to bind to various substrates. The presence of amino and diazo functional groups contributes to its reactivity and solubility in water, making it suitable for applications in textiles and other materials. The sodium salt form enhances its solubility, facilitating its use in aqueous solutions. Additionally, the compound exhibits stability under normal conditions but may be sensitive to light and heat, which can affect its color and performance. Its chemical properties, including pH stability and interaction with other chemicals, are essential for its application in dye formulations. Safety considerations should be taken into account, as some azo dyes can release aromatic amines, which may pose health risks.
Formula:C30H21N5O6S2·2Na
InChI:InChI=1S/C30H21N5O6S2.2Na/c31-26-11-12-27(23-6-2-1-5-22(23)26)32-33-28-13-14-29(25-8-4-3-7-24(25)28)34-35-30-17-20(43(39,40)41)16-18-15-19(42(36,37)38)9-10-21(18)30;;/h1-17H,31H2,(H,36,37,38)(H,39,40,41);;
InChI key:InChIKey=QMEIIBNNEYXKIU-UHFFFAOYSA-N
SMILES:N(=NC=1C2=C(C(N=NC=3C4=C(C(N)=CC3)C=CC=C4)=CC1)C=CC=C2)C=5C6=C(C=C(S(=O)(=O)O)C5)C=C(S(=O)(=O)O)C=C6.[Na]
Synonyms:
  • 2,7-Naphthalenedisulfonic acid, 4-[[4-[(4-amino-1-naphthyl)azo]-1-naphthyl]azo]-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(4-amino-1-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 4-[[4-[(4-amino-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt
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