Food yellow 4:1

• CAS: 12225-21-7
• Catalog Number: ACM12225217
• Category: Main Products
• Molecular Weight: 534.368
• Molecular Formula: C₁₆H₉N₄O₉S₂.3Na
• Synonyms: Food Yellow 4:1;Aluminum, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-pyrazole-3-carboxylic acid complex ;ACID YELLOW 23 ALUMINUM LAKE;KI4;C.I. Pigment Yellow 100;Acid yellow 23 aluminum lake (C.I. 19140:1);Pigment yellow 100 (C.I. 19140:1);Tartrazine alaminium lake
• IUPAC Name: aluminum,4-[[3-carboxy-5-oxo-1-(4-sulfophenyl)-4H-pyrazol-4-yl]diazeny...
• Density: g/cm³
• Appearance: Yellow to greenish-yellow powder.
• Exact Mass: 533.95000