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CAS 1681-60-3

:

2,7-Naphthalenedisulfonic acid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)

Description:
2,7-Naphthalenedisulfonic acid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2), commonly referred to as a dye or pigment, is characterized by its complex molecular structure that includes a naphthalene backbone with multiple sulfonic acid groups and an azo group (-N=N-). This compound is typically used in dyeing processes due to its ability to impart vivid colors to textiles and other materials. The presence of hydroxyl groups enhances its solubility in water, making it suitable for various applications in aqueous environments. As a sodium salt, it exhibits ionic characteristics, contributing to its stability and solubility. The compound's azo linkage is significant in dye chemistry, as it allows for the formation of strong colorants through resonance and electronic effects. Additionally, the amino group can participate in further chemical reactions, making this compound versatile in synthetic applications. Overall, its unique structural features and functional groups make it an important substance in the field of dyes and pigments.
Formula:C16H13N3O8S2·2Na
InChI:InChI=1S/C16H13N3O8S2.2Na/c17-9-1-3-10(4-2-9)18-19-15-13(29(25,26)27)6-8-5-11(28(22,23)24)7-12(20)14(8)16(15)21;;/h1-7,20-21H,17H2,(H,22,23,24)(H,25,26,27);;
InChI key:InChIKey=NPCPMIUCYOWFOR-UHFFFAOYSA-N
SMILES:OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(N)C=C3)C=C(S(=O)(=O)O)C=C2O.[Na]
Synonyms:
  • 2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4,5-dihydroxy-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 3-[2-(4-aminophenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)
  • Acid Leather Violet 4BS
  • Acid Violet
  • Acid Violet 3
  • Acid Violet 4BS
  • Acid Violet EB
  • Acilan Violet 4BS
  • Amacid Victoria Violet 4BS
  • Azo Wool Violet 4B
  • See more synonyms
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