柠檬黄是一种偶氮型酸性染料,橙黄色粉末,溶于水呈黄色,主要用作食品着色的合成柠檬黄色偶氮染料。是着色剂中最稳定的一种。
CAS:1934-21-0
分子式:C16H9N4Na3O9S2
分子量:534.36
纯度:98%
存储:Store at -20°C
Background:
Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. Tartrazine is water-soluble and has a maximum absorbance in an aqueous solution at 425 nm.