CAS 6406-56-0
:Acid Red 151
Description:
Acid Red 151, with the CAS number 6406-56-0, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. It is characterized by its vibrant red color and is soluble in water, making it suitable for dyeing processes. The dye exhibits good lightfastness and stability under acidic conditions, which enhances its utility in various formulations. Acid Red 151 is known for its ability to impart bright hues to materials, but it is important to note that azo dyes can sometimes release aromatic amines upon degradation, raising concerns regarding their safety and environmental impact. As such, regulatory guidelines often govern its use, particularly in consumer products. The dye's chemical structure typically includes sulfonic acid groups, which contribute to its solubility and affinity for various substrates. Overall, Acid Red 151 is valued for its coloring properties, but users must be aware of potential health and environmental considerations associated with azo dyes.
Formula:C22H16N4O4S·Na
InChI:InChI=1S/C22H16N4O4S.Na/c27-21-14-5-15-3-1-2-4-20(15)22(21)26-25-17-8-6-16(7-9-17)23-24-18-10-12-19(13-11-18)31(28,29)30;/h1-14,27H,(H,28,29,30);
InChI key:InChIKey=AIEPLSFYOQHNBS-UHFFFAOYSA-N
SMILES:N(=NC1=CC=C(N=NC2=CC=C(S(=O)(=O)O)C=C2)C=C1)C=3C4=C(C=CC3O)C=CC=C4.[Na]
Synonyms:- C.I. 26900
- Amacid Neutral Red BW
- Benzenesulfonic acid, 4-[[4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-, monosodium salt
- C.I. Acid Red 151, monosodium salt
- Benzenesulfonic acid, 4-[2-[4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:1)
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