Acid Yellow 23, also known as Lemon Yellow, is a widely used organic synthetic pigment with the chemical name 1- (4-sulfonylphenyl) -4- (4-sulfonylphenylazo) -5-pyrazolone-3-carboxylic acid trisodium salt.

It presents a bright yellow color, has good water solubility and stability, and can maintain stable color in a wide pH range.

Therefore, it is widely used in various fields such as food, beverage, medicine, cosmetics, and textiles.

In the food industry, Acid Yellow 23 is often used as a coloring agent to add a bright yellow color to foods such as candies, pastries, beverages, etc.

In addition, Acid Yellow 23 also has certain light and heat resistance, which can maintain stable color under certain conditions, making it effective in coloring products that require high temperature or long-term light exposure.

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