Chrome Yellow is a kind of yellow powder, the isomorphouscrystal mixture of lead chromate and lead sulphate. It is alsoknown as Pigment Yellow 34, a kind of yellow pigment with excellenthiding power, color ability, heat-resistance and gooddispersibility. It does not dissolve in water and oil, but issoluble in mineral acid and alkali solution. It can react withhydrogen sulfide, toxic