Schmincke Horadam Aquarell Watercolor - Chromium Yellow Hue Lemon, 15 ml tube

Pigment Information

This color contains the following pigments:

PY153-Nickel Dioxine Yellow

PY155-Bisacetoacetarylide Yellow 155

Pigment Name

PY153-Nickel Dioxine Yellow

Pigment Type

organic synthetic

Chemical Formula

C28H12N2O2

Properties

Nickel dioxine yellow is a semi-transparent, lightly staining yellow pigment with high tinting strength, although less than that of the diarylides. It is considered a good color match for Indian Yellow, a historic pigment that is no longer available. Drying time is average.

Permanence

Nickel Dioxine Yellow has excellent lightfastness.

Toxicity

Nickel metal is toxic and may irritate skin.

History

Unknown.

Pigment Name

PY155-Bisacetoacetarylide Yellow 155

Pigment Type

organic, bisacetoacetarylide

Properties

Pigment Yellow PY155 is a  greenish yellow with high tinting strength and good solvent resistance. It is often used as a replacement for chromium yellow.

Permanence

Pigment Yellow PY155 has very good lightfastness, but some monoazo yellows have better weatherfastness. It may not be suitable for exterior applications. Grades with coarser particles have been reported to have much better weatherfastness.

History

Bisacetoacetarylide pigments are a subgroup of the disazo pigments. Although many have been described and patented, only a few are commercially available. Pigment Yellow PY155 is used in paints, plastics, printing inks, and industrial coatings.