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Liquitex Professional Acrylic Ink - 30 ml, Naphthol Crimson

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  • Blick Art Materials
    $6.42 USDShop
    Older record · Recorded Oct 21, 2026, 9:15 AM UTC

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Product details
Size
30 ml
Blick SKU
21148-3220
About this product range
  • Professional quality
  • 55 brilliant, ultra-fluid colors
  • High concentrations of ultra-fine pigments
  • Non-clogging acrylic emulsion
  • Ready-to-use with airbrush, pens, and markers
  • Permanent, waterproof, and lightfast

Liquitex Professional Acrylic Ink delivers intense, ultra-fluid color in a ready-to-use acrylic formula. Each of the 55 brilliant colors is made with super-fine artist pigments suspended in a state-of-the-art, non-clogging acrylic emulsion.

Quick-drying, permanent, and water-resistant, these inks are perfect for a wide range of techniques—from watercolor effects and underpainting to stamping, calligraphy, and airbrushing. No dilution is needed, making them ideal for pens, brushes, and markers. Use alone or blend with other Liquitex inks and mediums for limitless creative applications across mixed media and illustration work.

Pigment information

General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.

Naphthol Red

Pigment code
PR170
Type
organic, naphthol AS
Chemical formula
C26H22N4O4
Properties
Pigment PR170 is a bright deep red with bluish undertones. It has an average drying time. It has two crystaline forms that differ significantly in opacity. The more transparent form (F5RK) tends to be more bluish and is less lightfast.
Permanence
The lightfastness and weatherfastness of Pigment PR170 varies, depending on the application and the crystaline form. The opaque form (F3RK) has very good lightfastness, and is more weather resistant. The transparent form (F5RK) has lightfastness that is considered acceptable in pure applications, but it fades more in tints. Neither form is considered 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
Naphthol pigments are actually dyes that are "laked" to form pigments. First developed by the German chemical company Hoechst A.G. before World War I, their use in artist paints began in the 1920s. Pigment Red PR170 is a Naphthol AS pigment, chemically related to the diarylide yellow pigments. The Naphthol AS pigments comprise a range of reds. They are used in plastics, textiles, and printing inks.
Description
Naphthal, Naphthol Bordeaux, Naphthol Carbamide, Naphthol Carmine, Permanent Carmine, Naphthol Crimson, Permanent Red, Permanent Red F3RK (more opaque), Permanent Red F5RK (more transparent).

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