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CAS 13000-39-0

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2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(3,6-disulfo-1-naphthalenyl)diazenyl]-7-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]-7-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 ions and sulfonate groups, which enhance its hydrophilicity. It exhibits strong color properties, making it useful in various applications such as textiles, paper, and food coloring. The presence of multiple functional groups contributes to its reactivity and potential for forming complexes with metal ions. Additionally, the compound may exhibit stability under a range of pH conditions, although its exact stability can depend on environmental factors. Safety data should be consulted, as azo dyes can sometimes release aromatic amines, which may pose health risks. Overall, this compound is significant in industrial applications due to its vibrant coloration and solubility characteristics.
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)34-32-26-8-7-25(23-6-3-19(13-24(23)26)53(42,43)44)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=OZWFKPHNHVBCGT-UHFFFAOYSA-N
SMILES:N(=NC=1C2=C(C(N=NC=3C4=C(C=C(S(=O)(=O)O)C3)C=C(S(=O)(=O)O)C=C4)=CC1)C=CC(S(=O)(=O)O)=C2)C=5C6=C(C=C(S(=O)(=O)O)C5O)C=C(S(=O)(=O)O)C=C6.[Na]
Synonyms:
  • 2,7-Naphthalenedisulfonic acid, 4-[2-[4-[2-(3,6-disulfo-1-naphthalenyl)diazenyl]-7-sulfo-1-naphthalenyl]diazenyl]-3-hydroxy-, sodium salt (1:5)
  • 2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthyl)azo]-7-sulfo-1-naphthyl]azo]-3-hydroxy-, pentasodium salt
  • 2,7-Naphthalenedisulfonic acid, 4-[[4-[(3,6-disulfo-1-naphthalenyl)azo]-7-sulfo-1-naphthalenyl]azo]-3-hydroxy-, pentasodium salt
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