CAS 21542-82-5

Acid Yellow 10

Description:

Acid Yellow 10, with the CAS number 21542-82-5, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. This dye is characterized by its bright yellow color and is soluble in water, making it suitable for dyeing processes that require aqueous solutions. Acid Yellow 10 is classified as an acid dye, which means it typically has a strong affinity for protein fibers, such as silk and wool, as well as for synthetic fibers like nylon. The dye's structure features azo groups (-N=N-), which are responsible for its vibrant coloration. While Acid Yellow 10 is widely used, it is important to note that some azo dyes have raised concerns regarding their potential health effects and environmental impact, leading to regulatory scrutiny in certain regions. Therefore, its use is often subject to specific guidelines to ensure safety and compliance with health standards. Overall, Acid Yellow 10 is valued for its coloring properties but must be handled with care in accordance with safety regulations.

Formula: C₁₃H₁₀N₂O₆S

InChI: InChI=1S/C13H10N2O6S/c16-12-6-3-9(7-11(12)13(17)18)15-14-8-1-4-10(5-2-8)22(19,20)21/h1-7,16H,(H,17,18)(H,19,20,21)

InChI key: InChIKey=MXCDRFGKHNFKIP-UHFFFAOYSA-N

SMILES: N(=NC1=CC=C(S(=O)(=O)O)C=C1)C2=CC(C(O)=O)=C(O)C=C2

Synonyms:

• 2-Hydroxy-5-(4-sulfophenylazo)benzoic acid
• 2-Hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid
• 2-Hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid
• 21542-82-5
• Acid Yellow 10
• Benzoic acid, 2-hydroxy-5-[(4-sulfophenyl)azo]-
• Benzoic acid, 2-hydroxy-5-[2-(4-sulfophenyl)diazenyl]-
• Salicylic acid, 5-(4-sulfophenylazo)-
• Salicylic acid, 5-(p-sulfophenylazo)-
• Wsqr Dnunr Dq Cvq
• Mesalazine Impurity 20

Sulfasalazine EP Impurity I

CAS: 21542-82-5

Formula: C₁₃H₁₀N₂O₆S

Color and Shape: Red-Brown Solid

Molecular weight: 322.29

Ref: 4Z-S-3311