Color Swatch created using Heavy application/medium application/50% tint and was applied on Acrylic Primed Canvas (7 oz) material.
This color contains the following pigments:
PR122—Quinacridone Magenta
Pigment Type
organic, quinacridone
Chemical Name
n/a
Chemical Formula
C22H16N2O2
Properties
Quinacridone Magenta is a semi-transparent and powerful red with an impressive mixing range. It makes an excellent glazing color and is one of the bluest of the Quinacridone colors.
Permanence
Quinacridone Magenta is very permanent with excellent lightfastness in most media, but some argue it is less lightfast in watercolor form.
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
Quinacridone Magenta came from a red violet aniline dye that was first produced in 1858 by Natanson. It was called Magenta to commemorate a battle in Magenta, Italy. Over time, Magenta became the standard color name for a deep, violet red. Although quinacridone compounds became known in the late 19th century, methods of manufacturing so as to make them practical for use as commercial pigments did not begin until the 1950s.
Alternate Names
Acra Red, Quinacridone Violet (PV19), Thalo Red Rose.
PR5—Naphthol Red
Pigment Type
monoazo
Chemical Name
n/a
Chemical Formula
C30H31ClN4O7S
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.
History
Unknown.
Alternate Names
Naphthal, Naphthol Bordeaux, Naphthol Carbamide, Naphthol Carmine, Permanent Carmine, Permanent Red.
