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CAS 8003-69-8

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2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)

Description:
2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3), commonly referred to by its CAS number 8003-69-8, is a complex organic compound characterized by its azo dye structure. This substance features multiple sulfonic acid groups, which enhance its solubility in water and contribute to its application in various dyeing processes. The presence of amino and hydroxy functional groups indicates potential reactivity and interaction with other chemical species. It is typically used in the textile industry for dyeing purposes, particularly for its vibrant color properties. Additionally, the compound's structure suggests it may exhibit various biological activities, making it of interest in research contexts. Safety data should be consulted, as azo dyes can sometimes release aromatic amines, which may pose health risks. Overall, this compound exemplifies the intricate relationship between chemical structure and functional application in industrial and research settings.
Formula:C36H26N8O11S3·3Na
InChI:InChI=1/C36H26N8O11S3.3Na/c37-20-3-1-18-13-31(57(50,51)52)33(35(45)26(18)15-20)44-41-23-4-2-19-14-32(58(53,54)55)34(36(46)27(19)16-23)43-40-22-7-5-21(6-8-22)39-42-30-12-11-29(38)25-10-9-24(17-28(25)30)56(47,48)49;;;/h1-17,45-46H,37-38H2,(H,47,48,49)(H,50,51,52)(H,53,54,55);;;/q;3*+1/p-3/b42-39-,43-40+,44-41-;;;
SMILES:c1cc(cc2c1cc(c(c2O)N=Nc1ccc2cc(c(c(c2c1)O)N=Nc1ccc(cc1)N=Nc1ccc(c2ccc(cc12)S(=O)(=O)O)N)S(=O)(=O)O)S(=O)(=O)O)N.[Na].[Na].[Na]
Synonyms:
  • 2-Naphthalenesulfonic acid, 6-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3-[[4-[[4-amino-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-4-hydroxy-, trisodium salt
  • 2-Naphthalenesulfonic acid, 6-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-3-[2-[4-[2-[4-amino-6(or 7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-, sodium salt (1:3)
  • Direct Black OB
  • Phenazo Black OB
  • trisodium 5-amino-8-[(E)-{4-[(2Z)-2-{7-[(2Z)-2-(7-amino-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene)hydrazinyl]-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene}hydrazinyl]phenyl}diazenyl]naphthalene-2-sulfonate
  • trisodium 6-amino-3-[(Z)-{7-[(E)-{4-[(Z)-(4-amino-7-sulfonatonaphthalen-1-yl)diazenyl]phenyl}diazenyl]-8-hydroxy-6-sulfonatonaphthalen-2-yl}diazenyl]-4-hydroxynaphthalene-2-sulfonate
  • C.I. 31600
  • C.I. Direct Black 80
  • C.I. Direct Black 80
  • See more synonyms
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