Color Swatch created using heavy to light application and was applied on 100 lb (163 gsm) drawing paper material.
This color contains the following pigments:
PR202—Quinacridone Magenta
Pigment Type
organic, dichloroquinacridone
Chemical Name
n/a
Chemical Formula
n/a
Properties
PR202 has a bluish red color, but is more yellow than Quinacridone Red (PR122), which is the modern favorite for Magenta in CMYK (four color) process printing.
Permanence
Although it is not the most famous magenta in the quinacridone family of pigments, PR202 belongs to a related class chemically, and is thus relatively stable and permanent for a bluish red pigment. It is one of the pigments often used in inks and toners for process printing.
Toxicity
Quinacridone Magenta has no acute hazards. Overexposure to quinacridone pigments may cause skin irritation. Quinicridone pigments contain a compound found to be a skin, eye, and respiratory irritant.
History
PR202 has been widely used as an automotive paint. Other applications include packaging, printing inks, and textiles.
Alternate Names
Quinacridone Fuchsia. Monastral Magenta, Fastogen Super Magenta
PR112—Naphthol Red AS-D
Pigment Type
organic, monoazo
Chemical Name
n/a
Chemical Formula
C24H16Cl3N3O2
Properties
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.
Permanence
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.
Toxicity
Naphthol Reds are not considered toxic. Naphthol Red AS-D 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, Fanchon Red.
PR187—Naphthol Red 187
Pigment Type
organic, monoazo
Chemical Name
n/a
Chemical Formula
CONHC6H4-(p)CONH2
Properties
Pigment Red PR187 is a transparent red with a bluish tone, part of the Naphthol AS family of red pigments.
Permanence
Pigment Red PR187 has excellent lightfastness and weather fastness in most applications.
Toxicity
Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
History
Pigment Red PR187 is one of the most widely used synthetic red pigments. It has been used to color latex, plastics, paints, resins, and printing inks. Because it is somewhat transparent, it has sometimes been used in metallic automotive finishes.
Alternate Names
Permanent Pink, Naphthol Red 187.
PR146—Naphthol Red
Pigment Type
n/a
Chemical Name
n/a
Chemical Formula
C33H27ClN4O6
Properties
n/a
Permanence
Naphthol Reds vary widely in lightfastness. This Naphthol Red (PR146) has fair to poor permanence and always fades in tints. It is not suitable for outdoor 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.
PR3—Toluidine Red
Pigment Type
organic, monoazo
Chemical Name
n/a
Chemical Formula
n/a
Properties
Toluidine Red is a semi-opaque, yellowish red pigment with high tinting strength. .
Permanence
Toluidine Red has very good lightfastness.
Toxicity
Toluidine Red is not regarded as toxic.
History
Toluidine Red or Toluidine Scarlet has been used in inks, textiles, artist materials, and plastics.
Alternate Names
Eljon Red, Eljon Scarlet, Hansa Red, Hansa Scarlet, Kenalake Scarlet, Solintor Scarlet, Sunbrite Red
PBk11—Mars Black
Pigment Type
earth
Chemical Name
iron oxides
Chemical Formula
FeO or Fe2O3
Properties
Mars Black is an opaque black with a strong and cool masstone, a slightly warm tint, and a warm brown undertone. It is not as black as Ivory Black, but it dries more quickly and has three times the tinting strength. Mars Black is normally the only black available in acrylic form and that is safe to over paint. It can be used in all media without reservation and is widely used as an alternative to Lamp Black and Ivory Black.
Permanence
Mars Black is very lightfast with excellent permanence.
Toxicity
Mars Black has no significant hazards and is the only major black pigment considered non-toxic.
History
The word Mars refers to the Roman god of iron and war. Mars Black was developed in the early 20th century from inorganic, synthetic iron oxide.
Alternate Names
Black Iron Oxide, Iron Black, Magnetic Oxide, Mapico Black, Mineral Black. Sometimes labeled as Vine Black.
