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Formerly Van Gogh Acrylics, these paints are value priced and easy to use. They're an excellent choice for the beginning or intermediate artist. Clean up with soap and water. Quick drying and non-toxic, perfect for the classroom!
Color Swatches created using heavy application/medium application/50% tint and were applied on acrylic primed canvas (7 oz) material.
This Naphthol Red is an intense scarlet red pigment that is heavily staining. It has an average drying time. It is semi-transparent and has relatively poor covering power.
This Naphthol Red has been rated as having excellent lightfastness under ASTM testing, but other testing methods have demonstrated some tendancy for the color to fade with exposure to strong ultraviolet light. It has been considered a replacement for less lightfast naphthol reds such as PR3. Not suitable for exterior use.
Naphthol Reds are not considered toxic. Naphthol Red AS-D may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
Naphthal, Naphthol Bordeaux, Naphthol Carbamide, Naphthol Carmine, Permanent Carmine, Permanent Red, Fanchon Red.
Naphthol Carmine is a lightly staining, dull red pigment with a color similar to Rose Madder, the natural source of the historic color Alizarin Crimson.
Naphthol Carmine has been reported to have inferior lightfastness compared to more modern sythetic pigments that replace it.
Although there have been no reports of acute toxicity, research has suggested that PR23 is genotoxic, and potentially mutagenic.
Naphthol Carmine was an early synthetic substitute for Rose Madder and Carmine. Before the late 19th centuries, reddish purple colors such as Alizarin Crimson, Tyrian Purple, and Carmine were available only from vegetable and animal sources. The manufacture and preparation of these colors was expensive. Clothing and textiles in these colors were considered a mark of affluence and distinction. Because Naphthol Carmine was far less expensive than the natural colors it replaced, it helped to create a revolution in color in the 19th century, as new color choices became available to the general population at affordable prices. These new sythetic dyes all but destroyed an industry in natural dyestuffs that had once employed thousands. Today, Naphthol Carmine has been largely superceeded by more permanent naphthol dyes.
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Material Safety Data Sheet
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