Prussian Blue Pigment
Prussian blue is a dark blue iron hexacyanoferrate pigment used in paints, inks, and artist supplies for its intense color and lightfastness. It falls under HTS 3206.49.55.00 as a pigment based on hexacyanoferrates (ferrocyanides). This synthetic inorganic colorant is prized for its historical use in blueprints and modern industrial coatings.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dispersed in nonaqueous media exceeding 30% solvent by weight
Solutions of coloring matter in organic solvents shift to heading 3208 per chapter notes.
If put up in retail packaging for artists or consumers
Retail-packed coloring matter falls under 3212, excluding synthetic organic dyes but including inorganic pigments.
If imported as chemically defined ferrocyanide compound without pigment processing
Pure hexacyanoferrates as separate compounds are excluded from Chapter 32 by note (a) and classify in Chapter 28.
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Import Tips & Compliance
• Provide Certificates of Analysis (COA) confirming hexacyanoferrate composition to verify classification under 3206.49.55.00
• Label packages with pigment type, purity, and safety data sheets (SDS) for DOT and EPA compliance during import
• Avoid common pitfall of classifying as general inorganic pigment (3206.10); specify ferrocyanide/ferricyanide basis
Related Products under HTS 3206.49.55.00
Turnbull's Blue Pigment Preparation
Turnbull's blue, a ferrous hexacyanoferrate pigment used in analytical chemistry stains and inks. Classified in HTS 3206.49.55.00 for hexacyanoferrate-based inorganic coloring matter. It offers a softer blue tone than Prussian blue.
Paris Blue Ceramic Pigment
Paris blue is a refined hexacyanoferrate pigment for high-temperature ceramic glazes and enamels. Under HTS 3206.49.55.00 as other inorganic coloring preparations based on ferrocyanides. Stable up to 1200°C for porcelain decoration.
Hexacyanoferrate Luminophore Powder
Synthetic hexacyanoferrate powder functioning as inorganic luminophore for fluorescent paints and tracers. HTS 3206.49.55.00 specifically includes such preparations chemically defined or not. Emits blue fluorescence under UV light.
Ferrocyanide Printing Ink Pigment
Ferrocyanide-based blue pigment concentrate for offset lithographic printing inks. Classified HTS 3206.49.55.00 as preparation derived from hexacyanoferrates for coloring matter. Offers high rub resistance in publication inks.
Blueprint Cyanotype Pigment
Ferric ammonium citrate with hexacyanoferrate for traditional cyanotype blueprint process. HTS 3206.49.55.00 covers this luminophore preparation based on ferricyanides. Produces characteristic Prussian blue upon UV exposure.
Milori Blue Pigment Powder
Milori blue is a high-tinting-strength variant of Prussian blue (ferric hexacyanoferrate) used in automotive paints and printing inks. Classified under HTS 3206.49.55.00 for its hexacyanoferrate base as an inorganic luminophore preparation. It provides vibrant blue hues with excellent opacity.