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Uses and synthesis of Sunset Yellow FCF powderSunset Yellow FCF powder is also known as orange yellow, sunset yellow, sunset yellow. Edible synthetic color, orange-red powder or granule, odorless, Sunset Yellow FCF CAS 2783-94-0 Insoluble in oil, slightly soluble in ethanol, used as food coloring agent, can be used for pastry coloring; Sunset Yellow FCF Raw Materials are prepared by diazotization of p-aminobenzenesulfonic acid and 2-naphthol 6-sulfonate sodium coupling, the product is salted out with sodium chloride, and then refined.
Functions of Sunset Yellow FCF powder
Coloring: This is the main and only function of Sunset Yellow. It has no nutritional value or other physiological functions, and is only used to improve the appearance of the product and make it more attractive. It can be used in a variety of products, including:Food: candy, beverages (soda, juice, etc.), snacks, baked goods, ice cream, yogurt, processed vegetables and fruits, condiments, etc. (As described in search results [1], [2] and [4], it can be used in fruit juice drinks, carbonated beverages, candy, cakes, etc. in China, but the amount is strictly limited.)
Drugs: Used for coloring certain drugs, such as capsule shells, tablet coatings, etc.
Cosmetics: Used for coloring certain cosmetics, such as lipstick, blush, etc.
Sunset Yellow FCF powder’s mechanism of action
Sunset yellow is an azo dye that contains an azo group (-N=N-) in its molecular structure, which enables it to absorb light of a specific wavelength, thereby showing a specific color. When light shines on a substance containing sunset yellow, certain wavelengths of light are absorbed, while other wavelengths of light are reflected, making the substance appear orange or yellow-orange.
Production methodprocess of Sunset Yellow FCF powder
Sunset Yellow FCF Raw Materials are prepared by diazotization of p-aminobenzenesulfonic acid and 2-naphthol 6-sulfonate sodium coupling, the product is salted out with sodium chloride, and then refined.
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