Winsor & Newton Cotman Watercolor - Cadmium Yellow Pale Hue, 8 ml tube
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Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.
Product Details
- Description:
- Cotman Watercolors
- Color:
- Cadmium Yellow Pale Hue
- Size:
- 8 ml (.27 oz)
- Format:
- Tube
- No.
- 119
- Series:
- 1
- Mfg #:
- 0303119
Pigment Information
This color contains the following pigments:
PY175-Benzimidazolone Yellow
PY65-Hansa Yellow
Pigment Name
PY175-Benzimidazolone Yellow
Pigment Type
monoazo
Chemical Formula
Properties
Benzimidazolone Yellow is a bright yellow, semi-transparent pigment, slightly greenish, 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
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.
Safety Data Sheet
UPC Code: 094376901955
ASIN #: B001OVG81E