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CAS 4321-69-1

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Acid Violet 7

Description:
Acid Violet 7, also known as Acid Violet 43 or by its chemical name, is a synthetic dye belonging to the azo dye class. It is characterized by its vibrant purple color, which is primarily used in textile, paper, and cosmetic applications. The dye is soluble in water, making it suitable for various aqueous dyeing processes. Acid Violet 7 exhibits good lightfastness and stability under acidic conditions, which enhances its utility in different formulations. However, like many azo dyes, it may raise environmental and health concerns due to potential toxicity and the formation of aromatic amines upon degradation. Therefore, its use is often regulated in many countries. In terms of chemical structure, Acid Violet 7 contains multiple functional groups that contribute to its dyeing properties, including sulfonic acid groups that enhance solubility. Overall, Acid Violet 7 is a versatile dye with specific applications, but it requires careful handling and consideration of safety regulations.
Formula:C20H16N4Na2O9S2
InChI:InChI=1/C20H18N4O9S2.2Na/c1-10(25)21-13-3-5-14(6-4-13)23-24-19-17(35(31,32)33)8-12-7-15(34(28,29)30)9-16(22-11(2)26)18(12)20(19)27;;/h3-9,27H,1-2H3,(H,21,25)(H,22,26)(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2/b24-23+;;
InChI key:InChIKey=YZANHFNHDPYPOH-UHFFFAOYSA-N
SMILES:N(C(C)=O)C=1C2=C(C=C(S(=O)(=O)O)C(N=NC3=CC=C(NC(C)=O)C=C3)=C2O)C=C(S(=O)(=O)O)C1.[Na]
Synonyms:
  • (3E)-5-(acetylamino)-3-{[4-(acetylamino)phenyl]hydrazono}-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
  • 1425 Red
  • 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[2-[4-(acetylamino)phenyl]diazenyl]-4-hydroxy-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-, disodium salt
  • Acetyl Red 6B
  • Acetyl Rose 5BL
  • Acetyl Rose 6BL
  • Acid Fast Red E 6B
  • Acid Fuchsine 6B
  • Acid Geranine 6B
  • See more synonyms
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