Lemon yellow is also known as tartrazine yellow, acid yellow, hydrazine yellow. The chemical name is 1-(4-sulfonic acid phenyl)-4-(4-sulfonic acid phenylazo)-5-pyrazolone-3-carboxylic acid trisodium salt, which is a water-soluble synthetic pigment. It is bright bright yellow and is a monochrome variety. It is mostly used in the coloring of food, beverages, medicines, cosmetics, feed, tobacco, toys, food packaging materials, etc. It is also used in the dyeing of wool and silk and the manufacture of color lakes

 

An azo-type acid dye. It is mainly used for the coloring of food, beverage, medicine and cosmetics, as well as for the dyeing of wool and silk and the manufacture of color lakes. Water-soluble synthetic pigment, bright bright yellow, widely used in the coloring of frozen drinks, jellies, flavored fermented milk, beverages, canned food, candy coating, etc. According to China's "Hygienic Standards for the Use of Food Additives" (GB2760-2011): used for candied preserved fruits, decorative fruits and vegetables, pickled vegetables, processed nuts, shrimp flavored slices, pastry decorations, beverages, puffed foods, etc. The maximum dosage is 0.1g/kg; for flavored fermented milk, prepared condensed milk, frozen drinks, and jelly, the maximum dosage is 0.05g/kg.