El Greco Iconography Pigment - Deep Magenta - 100gr

• Paco code
  8311420
• No.
  136
• Manufacturer
  El Greco
• Product Type
  Dry Pigments
• Barcode
  5212016661884
• Color Name
  Deep Magenta
• Color Family
  Red
• Size
  100gr
• SKU
  ELGREC-400.100-136
• Description
  Dry Pigment

Πληροφορίες Χρωστικής

• Pigment Name
  PV19-Quinacridone Violet
• Pigment type
  organic synthetic, quinacridone
• Chemical Name
  -
• Chemical Formula
  C20H12N2O2
• Properties

  Quinacridone Red is a high performance, transparent pigment with an average drying time and uneven dispersal. It is another name for Quinacridone Violet (PV19) and Quinacridone Red (PR192). Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colors are often expensive, because more pigment is required in the formulation.

• Permanence

  Quinacridone Violet has excellent lightfastness and is considered the most lightfast organic pigment in this shade range.

• Toxicity

  Quinacridone Violet has no known 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

  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. Quinacridone pigments were first developed as coatings for the automotive industry, but were quickly adopted by artists.

• Pigment Name
  PR122-Quinacridone Magenta
• Pigment type
  organic, quinacridone
• Chemical Name
  -
• Chemical Formula
  C22H16N2O2
• Properties

  Quinacridone Magenta is a semi-transparent and powerful bluish red with an impressive mixing range. It makes an excellent glazing color and is one of the bluest of the Quinacridone colors. The pigment's properties vary considerably, depending on how it is ground. Quinacridone pigments have relatively low tinting strength in general. For this reason, quinacridone colors are often expensive, because more pigment is required in the formulation.

• Permanence

  Quinacridone Magenta offers very good lightfastness in most media, but some have argued that it is less lightfast in watercolor form. Although Quinacridone Magenta received only a passing grade of under ASTM test protocols, other test results have rated the pigment very good to excellent. Transparent reddish violet pigments in general have more problems with lightfastness than any other range of colors. PR122 is often used as the Magenta of CMYK (four color) process printing because it offers a better tradeoff between tinting strength and lightfastness than other pigments in its class.

• 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. PR122 has become particularly popular in the formulation of Magenta for CMYK process printing.

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