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Da Vinci PaintsMediums

Da Vinci Fluid Acrylics - Napthol Red Medium, 16 oz bottle

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  • Blick Art Materials
    $46.85 USDShop
    Older record · Recorded Oct 21, 2026, 9:54 AM UTC

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Product details
Size
473 ml
Blick SKU
01633-3746
About this product range

Da Vinci Fluid Acrylics are an exciting fusion of Da Vinci’s most distinguished watercolor hues, and colors traditionally found on acrylic palettes. This color range of professional fluid acrylic colors promises to awe those who appreciate pigment strength and vibrancy. Try them on a variety of oil-free surfaces such as canvas, paper, wood, or plaster. Da Vinci uses its unique, stable acrylic polymer emulsion to achieve a dry film that is water-resistant and flexible with exceptional durability. No fillers or extenders are added and each formula is packed with lightfast pigments approved by ASTM International as artist’s quality.

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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