Winsor & Newton Cotman Watercolor Half Pan - Cadmium Yellow Hue
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Product Details
- Color:
- Cadmium Yellow Hue
- Description:
- Watercolor Half Pan
- Size:
- Half Pan
Pigment Information
This color contains the following pigments:
PY65-Hansa Yellow
PY97-Permanent Yellow
Pigment Name
PY65-Hansa Yellow
Pigment Type
monoazo
Chemical Formula
C18H18N4O6
Properties
This Hansa Yellow ranges from reddish yellow to greenish yellow with temperature shifts from cool to warm hues. It has good tinting strength and average to slow drying time.
Permanence
This Hansa Yellow has excellent lightfastness, particularly in the darker shades.
Toxicity
Hansa Yellow has no significant acute hazards, though its chronic hazards have not been well studied.
History
Hansa Yellows were first made in Germany just before WW1 from a series of synthetic dyestuffs called Pigment Yellow. They were intended to be a synthetic replacement for Cadmium Yellow.
Pigment Name
PY97-Permanent Yellow
Pigment Type
organic, monoazo
Chemical Formula
C26H27ClN4O8
Properties
Permanent Yellow PY97 ranges from reddish yellow to greenish yellow with temperature shifts from cool to warm hues. It has good tinting strength and average to slow drying time. Similar in shade to Hansa Yellow 1, it offers much better fastness properties and good heat stability.
Permanence
Pigment PY97 has excellent lightfastness, particularly in the darker shades.
Toxicity
No significant acute hazards of PY97 are known, though chronic hazards have not been well studied.
History
Hansa Yellows were first made in Germany just before WW1 from a series of synthetic dyestuffs called Pigment Yellow. They were intended to be a synthetic replacement for Cadmium Yellow. Permanent Yellow (PY97) represents a further development of this line, with the aim of producing a yellow pigment that is suitable for exterior use.