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CAS 13083-09-5

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2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(3,6-disulfo-1-naphthalenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-3-hydroxy-, sodium salt (1:5)

Description:
2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(3,6-disulfo-1-naphthalenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-3-hydroxy-, sodium salt (1:5), commonly referred to as a synthetic dye or pigment, is characterized by its complex molecular structure that includes multiple sulfonic acid groups and azo linkages. This compound is typically soluble in water due to the presence of sodium salts and sulfonic acid groups, which enhance its ionic character. It exhibits strong color properties, making it useful in various applications, particularly in textiles and inks. The presence of multiple functional groups contributes to its reactivity and potential for forming complexes with metal ions. Additionally, the compound's azo structure is known for its stability under light and heat, although it may undergo degradation under extreme conditions. Safety data should be consulted, as some azo compounds can release aromatic amines, which may pose health risks. Overall, this substance is significant in industrial applications, particularly in dyeing processes.
Formula:C30H20N4O16S5·5Na
InChI:InChI=1S/C30H20N4O16S5.5Na/c35-30-28(55(48,49)50)12-16-10-18(52(39,40)41)2-5-22(16)29(30)34-32-25-7-8-26(24-13-19(53(42,43)44)3-6-23(24)25)31-33-27-14-20(54(45,46)47)11-15-9-17(51(36,37)38)1-4-21(15)27;;;;;/h1-14,35H,(H,36,37,38)(H,39,40,41)(H,42,43,44)(H,45,46,47)(H,48,49,50);;;;;
InChI key:InChIKey=HKZGHKBMRKJVIC-UHFFFAOYSA-N
SMILES:N(=NC=1C2=C(C=C(S(=O)(=O)O)C1)C=C(S(=O)(=O)O)C=C2)C=3C4=C(C(N=NC=5C6=C(C=C(S(=O)(=O)O)C5O)C=C(S(=O)(=O)O)C=C6)=CC3)C=CC(S(=O)(=O)O)=C4.[Na]
Synonyms:
  • 2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-6-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt
  • 2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(3,6-disulfo-1-naphthalenyl)diazenyl]-6-sulfo-1-naphthalenyl]diazenyl]-3-hydroxy-, sodium salt (1:5)
  • 2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthyl)azo]-6-sulfo-1-naphthyl]azo]-3-hydroxy-, pentasodium salt
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