Prussian Blue Dye (14038-43-8)

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What is Prussian Blue Dye?

Prussian blue, often called Berlin blue, Brandenburg blue, or Parisian or Paris blue in painting, was at first developed as a pigment for use in paint and ink. The name Prussian blue dates back to the 18th century, when the chemical was used to color the coats of Prussian army uniforms. It occurs as a microcrystalline blue powder.

Uses

• Prussian Blue dye serves as a pigment that is utilized frequently in the production of oil paintings, watercolors, dyes, and also in some cosmetic ingredients, as it is simple to make, inexpensive, non-toxic, and vividly colored.
• It is dominantly used in the production of black and bluish inks.
• Several formulations of laundry bluing contain prussian blue dye.
• Prussian blue in an oily base has traditionally been the material of choice for identifying metal surfaces prior to hand scraping, particularly surface plates and bearings.
• Prussian Blue/Prussian Blue Analogues and their derivatives can be employed as electrode materials in lithium-ion, sodium-ion, and potassium-ion batteries for reversible alkali-ion insertion and extraction.

Comparison with Other Blue Pigments

Because of its strong coloration, Prussian Blue is often compared with other blue pigments.

Phthalo Blue vs Prussian Blue

• Phthalo Blue is an organic copper phthalocyanine pigment known for extremely high tinting strength and brightness.
• Prussian Blue is an inorganic iron-based compound with deeper and darker tonal characteristics.
• Prussian Blue tends to produce muted, darker shades, whereas Phthalo Blue is typically brighter and more intense.

Ultramarine vs Prussian Blue

• Ultramarine Blue is a sodium-aluminum silicate pigment with a more violet tone.
• Prussian Blue contains iron complexes and produces a darker, more greenish blue shade.
• These differences make Prussian Blue particularly useful in applications requiring deep, stable blue coloration.

FAQs

Q. What Color is Prussian Blue?

Prussian Blue is a deep, intense blue color that appears dark navy or slightly greenish blue depending on particle size and formulation.

Q. Is Prussian Blue Warm or Cool?

In color theory, Prussian Blue is generally considered a cool blue pigment because it contains subtle green undertones that shift the color spectrum toward cooler hues.

Read more about Prussian Blue

Prussian Blue (14038-43-8)

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Prussian Blue Analogues | Use in Sodium-Ion Batteries