Due to differences in users’ monitors, the colors presented are an approximation of the true color.
PR188 -Naphthol Red
PR3-Toluidine Red
PR242-Pigment Red 242
PR188 -Naphthol Red
organic monoazo
C33H24Cl2N2O6
This Naphthol Red is yellowish, with a high tinting strength and average drying time. It produces warmer shades and tints.
This Naphthol Red has excellent lightfastness, though it is generally not considered adequate for exterior use.
Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
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.
PR3-Toluidine Red
organic, monoazo
Toluidine Red is a semi-opaque, yellowish red pigment with high tinting strength.
Toluidine Red has very good lightfastness.
Toluidine Red is not regarded as toxic.
Toluidine Red or Toluidine Scarlet has been used in inks, textiles, artist materials, and plastics.
PR242-Pigment Red 242
organic, disazo condensation
A bright yellowish red, often referred to as scarlet. It has average tinting strength.
It has excellent resistance to solvents, acids, and alkali, and is heat stable up to 300°C. Disazo condensation compounds have very good lightfastness for organic pigments.
Pigment Red 242 is used to color plastics, paints, and printing inks.
UPC Code: 4012380077837
ASIN #: B001E6GH5G