Tartrazine, also known as E 102 or Yellow 5, is a synthetic food dye.
Properties:
1. Chemical formula: C16H9N4Na3O9S2
2. Molecular weight: 534.44 g/mol
3. Appearance: Yellow powder
4. Solubility: Water-soluble
Uses:
1. Food coloring (soft drinks, candies, baked goods)
2. Pharmaceuticals (coloring agent)
3. Cosmetics (hair care, skin care)
4. Industrial applications (textiles, plastics)
Benefits:
1. Vibrant yellow color
2. High lightfastness
3. Good stability in various pH ranges
4. Cost-effective