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CAS 6424-75-5

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Acid Blue 78

Description:
Acid Blue 78, with the CAS number 6424-75-5, is a synthetic dye belonging to the class of acid dyes, which are typically used for dyeing textiles, particularly wool and nylon, as well as in various applications in the food and cosmetic industries. This dye is characterized by its vibrant blue color and high solubility in water, making it suitable for applications requiring bright and intense coloration. Acid Blue 78 exhibits good lightfastness and stability under acidic conditions, which enhances its utility in various formulations. The chemical structure of Acid Blue 78 includes sulfonic acid groups, contributing to its solubility and affinity for protein fibers. However, like many synthetic dyes, it may raise environmental and health concerns, necessitating careful handling and disposal. Regulatory assessments often evaluate its safety profile, including potential allergenic effects and environmental impact, particularly in aquatic systems. Overall, Acid Blue 78 is a versatile dye with significant industrial applications, but its use must be managed responsibly.
Formula:C21H15BrN2O5S·Na
InChI:InChI=1S/C21H15BrN2O5S.Na/c1-10-6-7-14(16(8-10)30(27,28)29)24-15-9-13(22)19(23)18-17(15)20(25)11-4-2-3-5-12(11)21(18)26;/h2-9,24H,23H2,1H3,(H,27,28,29);
InChI key:InChIKey=PDGGMCNBJSBYKC-UHFFFAOYSA-N
SMILES:N(C1=C2C(C(=O)C=3C(C2=O)=CC=CC3)=C(N)C(Br)=C1)C4=C(S(=O)(=O)O)C=C(C)C=C4.[Na]
Synonyms:
  • m-Toluenesulfonic acid, 6-[(4-amino-3-bromo-1-anthraquinonyl)amino]-, monosodium salt
  • Anthraquinone Blue SKY
  • m-Toluenesulfonic acid, 6-[(4-amino-3-bromo-1-anthraquinonyl)amino]-, sodium salt
  • Benzenesulfonic acid, 2-[(4-amino-3-bromo-9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]-5-methyl-, sodium salt (1:1)
  • Benzenesulfonic acid, 2-[(4-amino-3-bromo-9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]-5-methyl-, monosodium salt
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