Light Fast Yellow G is also known as Hansa Yellow G or Pigment Yellow G. General Introduction: Light Fast Yellow G is a kind of light yellow powder. Brilliant color, good fastness, melting point is 256?. Lightly soluble in alcohol, acetone and benzene. Turned to golden yellow with thick hydrochloric acid. Light fastness: Grade 7. Heat fastness: 160?. PH value: 7. Acid resistance: 5. Alkaline resistance:4-5. Water resistance: 4-5. Oil resistance: 4-5. Oil absorption: 45-50%. Light fast yellow pigment application: Printing, ink, rubber, paints, plastic products, pigments and coloring. International Index: P.Y.1(11680)