Color Swatch created using full strength/50/50 and was applied on cold press Bristol board (2 ply) material.
This color contains the following pigments:
PR9—Naphthol Red
Pigment Type
monoazo
Chemical Name
n/a
Chemical Formula
C24H17Cl2N3O3
Properties
This Naphthol Red is a bright deep red with bluish undertones. It has an average drying time.
Permanence
This Naphthol Red has fair to good lightfastness, not because of its masstone, but because it fades in tints. Not suitable 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
Unknown.
Alternate Names
Naphthal, Naphthol Bordeaux, Naphthol Carbamide, Naphthol Carmine, Permanent Carmine, Permanent Red.
PR210—Naphthol Red Medium
Pigment Type
organic, naphthol AS
Chemical Name
n/a
Chemical Formula
n/a
Properties
Pigment PR210 is a semi-transparent, bluish red pigment.
Permanence
Pigment PR210 has very good lightfastness, but its performance is considered inferior to PR170, another naphthol red.
Toxicity
Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
History
Pigment PR210 is used primarily in inks and waterbased paints.
Alternate Names
Sunbrite Red 210, BON Arylamide Red, Permanent Red F6RK.