Grumbacher Academy Watercolor - Vermilion Hue, 7.5 ml tube
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Product Details
- Color:
- Vermilion Hue
- Size:
- 7.5 ml
- No.
- 224
- Mfg #:
- A224
Colors on Monitors -
Due to differences in users’ monitors, the colors presented are an approximation of the true color.
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Pigment Information
This color contains the following pigments:
PR188 -Naphthol Red
PY65-Hansa Yellow
Pigment Name
PR188 -Naphthol Red
Pigment Type
organic monoazo
Chemical Formula
C33H24Cl2N2O6
Properties
This Naphthol Red is yellowish, with a high tinting strength and average drying time. It produces warmer shades and tints.
Permanence
This Naphthol Red has excellent lightfastness, though it is generally not considered adequate for exterior use.
Toxicity
Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
History
Naphthol pigments are actually dyes that are "laked" to form pigments. First developed by the German chemical company Hoechst A.G. before World War I, their use in artist paints began in the 1920s.
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: 014173351081
ASIN #: B000G2H7DK