Shipping Note - Due to manufacturer distribution restrictions, Winsor & Newton products cannot be shipped to addresses outside of North America.
Due to differences in users’ monitors, the colors presented are an approximation of the true color.
PR3-Toluidine Red
PR4-Permanent Red
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 or Toluidine Scarlet has been used in inks, textiles, artist materials, and plastics.
PR4-Permanent Red
organic, monoazo
Pigment PR4 is an opaque, bright yellowish red pigment with high tinting strength.
Pigment PR4 has good lightfastness, but newer red pigments are considered more permanent and reliable.
Because it is inexpensive and has a long history of use in cosmetic products, Permanent Red PR4 is widely used in artist materials where safety is more important than archival preservation, as in children's art materials.
UPC Code: 50947720
ASIN #: B000OL3TUS