Winsor & Newton Cotman Watercolor Half Pan - Prussian Blue

Item #:00337-5220
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Prussian Blue
Prussian Blue
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Product Details

Prussian Blue
Watercolor Half Pan
Half Pan

Pigment Information

This color contains the following pigments:

PB27-Antwerp Blue

Pigment Name

PB27-Antwerp Blue

Pigment Type


Chemical Name

ferric ammonium ferrocyanide

Chemical Formula



Antwerp Blue is a slightly warm and less saturated blue with good transparency and undertone clarity. It is a pale variety of Prussian Blue with 75% inert pigment. It has similar properties to pure Prussian Blue, but its overall performance is inferior.


Antwerp Blue can fluctuate, fading in the light and recovering in the dark. In watercolor form, it fades when mixed with white pigment or extender. Although it has reasonably good lightfastness and permanence, it is not considered ideal for permanent painting.


Antwerp Blue is mildly toxic by ingestion, but is considered safe for external use. In the United States, ferric ferrocyanide is permitted as a coloring ingredient for externally applied cosmetics, but not for lipsticks or internal use. If the pigment is


Antwerp Blue was developed through experimentation with Prussian Blue.

Safety Data Sheet

UPC Code: 094376901702