Sennelier French Artists' Watercolor - Indian Yellow, 21 ml, Tube

Pigment Information

This color contains the following pigments:

PY154-Benzimidazolone Yellow

PY153-Nickel Dioxine Yellow

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.

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.