CAS 6470-20-8

Acid Orange 56

Description:

Acid Orange 56, with the CAS number 6470-20-8, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. It is characterized by its vibrant orange color, which results from the presence of azo functional groups (-N=N-). This dye is water-soluble, making it suitable for use in aqueous dyeing processes. Acid Orange 56 exhibits good lightfastness and stability under acidic conditions, which is beneficial for its application in acidic dyeing environments. However, like many azo dyes, it may raise environmental and health concerns due to the potential release of aromatic amines upon degradation. Therefore, its use is regulated in some regions. In terms of chemical structure, Acid Orange 56 typically contains sulfonic acid groups, enhancing its solubility and affinity for various substrates. Overall, while Acid Orange 56 is valued for its color properties, considerations regarding safety and environmental impact are essential in its application and handling.

Formula: C₃₂H₂₄N₆O₈S₂·2Na

InChI: InChI=1S/C32H24N6O8S2.2Na/c1-19-30(32(40)38(37-19)23-8-3-2-4-9-23)35-33-21-12-14-25(28(17-21)47(41,42)43)26-15-13-22(18-29(26)48(44,45)46)34-36-31-24-10-6-5-7-20(24)11-16-27(31)39;;/h2-18,30,39H,1H3,(H,41,42,43)(H,44,45,46);;

InChI key: InChIKey=BNYLDZDMENHUPE-UHFFFAOYSA-N

SMILES: S(=O)(=O)(O)C1=C(C=CC(N=NC=2C3=C(C=CC2O)C=CC=C3)=C1)C4=C(S(=O)(=O)O)C=C(N=NC5C(=O)N(N=C5C)C6=CC=CC=C6)C=C4.[Na]

Synonyms:

• Acid Milling Orange G
• Acid Orange 3GL
• Amacid Neutral Orange SGS
• Apollo Nylon Fast Orange NG
• Azo Milling Orange R
• Belacid Neutral Orange G
• Best Acid Milling Orange GS
• Concorde Acid Orange G
• Dinacid Milling Orange SC
• Disodium 4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-4'-((2-hydroxy-1-naphthyl)azo)(1,1'-biphenyl)-2,2'-disulphonatedisodium 4-[(E)-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl]-4'-[(2Z)-2-(2-oxonaphthalen-1(2H)-ylidene)hydrazinyl]biphenyl-2,2'-disulfonate
• Everacid Orange G
• Fenazo Orange S
• Kayanol Milling Orange G
• Kayanol Milling Orange O
• Kemacid Milling Orange SG
• Naphthazine Orange GSR
• Orient Water Orange 18
• Ratna Acid Orange GG
• Rifa Acid Orange G
• Sulphon Orange GA
• Suminol Milling Orange SG
• Suminol Orange SG
• Supranol Orange G
• Tertracid Milling Orange G
• Vicoacid Orange 56
• Water Orange 18
• [1,1′-Biphenyl]-2,2′-disulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4′-[(2-hydroxy-1-naphthalenyl)azo]-, disodium salt
• [1,1′-Biphenyl]-2,2′-disulfonic acid, 4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-4′-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:2)
• C.I. Acid Orange 56