- Chemical Family:Aminoketones
- Pigment Type:Organic Pigments
- CI Name:Pigment Yellow 138
- CI Number:56300
- Color:Yellow
- Synonyms:C.I. Pigment Yellow 138, C.I. 56300, PY 138
DCL 2538 Quinophthalone Yellow, PY.138 is an opaque, green shade yellow with low viscosity in liquid systems and excellent light and weather fastness. It is greener than 2338 and exhibits high hiding power and good dispersibility. 2538 is FDA-approved (21 CFR Part 178.3297).