Schmincke Primacryl Finest Artists' Acrylic Paint - Sap Green, 60 ml

Pigment Information

This color contains the following pigments:

PB60-Indanthrene Blue

PY170-Diarylide Yellow 170

Pigment Name

PB60-Indanthrene Blue

Pigment Type

organic, vat dyes

Chemical Name

complex, insoluble anthraquinone

Chemical Formula

C28H14N2O4

Properties

Indanthrene Blue is a clear, clean, deep blue organic pigment. It has moderate to high tinting strength and is not as overpowering as Phthalo Blue. Hansa Yellow Deep, Benzimidazolone Orange, and Raw Umber are its best mixing complements.

Permanence

Indanthrene Blue is permanent with excellent lightfastness in both masstone and tints.

Toxicity

Indanthrene Blue varies in its acute toxicity, though toxicity is generally slight.

History

Indanthrene Blue is the oldest vat dye, discovered and patented in 1901 by Rene Bohn. It is considered the first anthraquinone vat dye, a group of dyes characterized by excellent lightfastness. The pigment originates from this dye.

Pigment Name

PY170-Diarylide Yellow 170

Pigment Type

organic, disazo

Properties

Diarylide Yellow 170 is an orange to reddish yellow that is semi-opaque and has moderate tinting strength, depending on how finely it is ground.

Permanence

Diarylide Yellow 170 has good lightfastness, but is considered inferior to some more expensive pigments of comparable hue, such as Benzimidazolone Yellow.

Toxicity

Diarylide Yellow 170 has no significant acute hazards, but chronic hazards have not been well studied.