Solvent Yellow 93

• CAT Number: I015640
• CAS Number: 4702-90-3
• Molecular Formula: C₂₁H₁₈N₄O₂
• Molecular Weight: 358.39
• Purity: ≥95%
• IUPAC Name: (4E)-5-methyl-4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)methylidene]-2-phenylpyrazol-3-one
• InChI: InChI=1S/C21H18N4O2/c1-14-18(20(26)24(22-14)16-9-5-3-6-10-16)13-19-15(2)23-25(21(19)27)17-11-7-4-8-12-17/h3-13,18H,1-2H3/b19-13+
• InChIKey: QPAPQRFSPBUJAU-CPNJWEJPSA-N
• SMILES: CC1=NN(C(=O)C1/C=C/2\C(=NN(C2=O)C3=CC=CC=C3)C)C4=CC=CC=C4

Solvent Yellow 93（Cat No.:I015640）is a synthetic dye primarily used as a colorant in various industrial applications. It belongs to the class of azo dyes and is commonly utilized in coloring solvents, oils, plastics, and fuels. Solvent Yellow 93 is valued for its bright yellow hue and good stability in different solvents. It is also used in the formulation of marker inks and certain cosmetics. While it is effective as a dye, concerns exist regarding its environmental impact and safety, as some azo dyes have been linked to potential carcinogenicity.