Schmincke Horadam Aquarell Artist Watercolor - Indian Yellow, Half Pan

Pigment Information

This color contains the following pigments:

PY110-Isoindolinone Yellow

PY154-Benzimidazolone Yellow

Pigment Name

PY110-Isoindolinone Yellow

Pigment Type

organic synthetic

Chemical Name

isoindolinone yellow

Chemical Formula

Properties

Isoindolinone Yellow is a high performance pigment of excellent brightness and an average drying time.

Permanence

Isoindolinone Yellow has excellent lightfastness.

Toxicity

Isoindolinone Yellow is not considered toxic.

History

The first isoindoline pigments were patented in 1946, and commercial production of pigments in this group began in the 1960s. Several isoindoline yellow pigments are available.

Pigment Name

PY154-Benzimidazolone Yellow

Pigment Type

monoazo

Chemical Formula

Properties

Benzimidazolone Yellow is a pigment with dull tints and an average drying time.

Permanence

Benzimidazolone Yellow has excellent lightfastness.

Toxicity

Benzimidazolone Yellow is not considered toxic.

History

The benzimidazolone group of pigments was developed and patented in 1960 by Hoechst A.G., a German chemical manufacturer that was a forerunner of the pharmaceutical company Aventis.