Iconography Pigment No 40 - Permanent Red Deep - 50gr

• Manufacturer
  Sennelier
• Product Type
  Dry Pigments
• Barcode
  000060300508
• Color Family
  Red
• Paco code
  7102653
• No.
  40
• Size
  50gr
• SKU
  SKONES-40-50
• Color Name
  Κοκκινίλα T **
• Description
  Dry Pigment

Πληροφορίες Χρωστικής

• Pigment Name
  PR3-Toluidine Red
• Pigment type
  organic, monoazo
• Chemical Name
  -
• Chemical Formula
  -
• 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.

• Pigment Name
  PR48:2-Permanent Red
• Pigment type
  organic, monoazo
• Chemical Name
  beta-oxynaphthoic acid lake, manganese salt
• Chemical Formula
  C18H13ClN2O6S.Ca
• Properties

  Permanent Red is a common name used for the manganese salt of beta-oxynaphthoic acid (BONA) lake pigment PR:48. It is more blue than other shades of PR:48, with the exception of PR48:2. BONA pigment lakes have high tinting strength.

• Permanence

  Beta-oxynaphthoic acid (BONA) lake pigments are more lightfast than their beta-naphthol counterparts. Although their lightfastness makes them the pigment of choice in many applications, they may shift slightly in color or lose intensity under some conditions.

• Toxicity

  -

• History

  Beta-oxynaphthoic acid may have been synthesized as early as 1887. Commerical use of BONA lake pigments began in the 20th century.

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