Zinc Potassium Chromate
Zinc potassium chromate (K2Zn(CrO4)2) is a double salt used as a corrosion inhibitor in metal primers and as a pigment base. It qualifies under HTS 2841.90.4500 per Chapter 28 Note 6, classifying complex chromate salts with zinc in this specific subheading. Supplied as crystalline powder for industrial applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered primarily a potassium chromate
Double salts are classified in 2842 generally, but Chapter notes direct specific chromates of zinc/lead here; potassium emphasis might shift.
If stabilized with organic substances
Complex chromates with organic stabilizers fall under other barium/metal chromates or carbonates in 2836.
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Import Tips & Compliance
• Document as 'double chromate salt' to justify 2841 over general potassium chromates in 2841.90.10
• Include REACH Annex XVII compliance for EU-sourced goods due to chromate restrictions
• Test for heavy metal content to prevent reclassification as hazardous waste (Chapter 38 mixtures)
Related Products under HTS 2841.90.45.00
Zinc Chromate Pigment
Zinc chromate (ZnCrO4) is a bright yellow inorganic pigment used primarily in primers for corrosion-resistant coatings on metal surfaces. It falls under HTS 2841.90.4500 as it is a chromate salt of zinc, chemically defined per Chapter 28 notes. This product is supplied as a fine powder for industrial paint formulations.
Lead Chromate Yellow Pigment
Lead chromate (PbCrO4), known as chrome yellow, is an inorganic pigment providing vibrant yellow hues in industrial coatings and plastics. Classified under HTS 2841.90.4500 as a chromate of lead, meeting Chapter 28 definitions for metal salts of oxometallic acids. It is traded as a dry powder for manufacturing use.
Basic Zinc Chromate
Basic zinc chromate (ZnCrO4·Zn(OH)2) serves as an anti-corrosive pigment in alkyd primers for steel structures. This hydrated chromate of zinc is classified in HTS 2841.90.4500 as it meets the criteria for zinc chromates per subchapter notes. It is imported as a yellow powder for paint production.
Lead Chromate Molybdate
Molybdate orange pigment, primarily lead chromate modified with molybdenum (PbCrO4·PbMoO4), used in automotive coatings. Classified under HTS 2841.90.4500 as a chromate of lead, with complex salts following principal component per notes. Traded as fine powder for high-performance paints.
Zinc Chromate Hydrate
Hydrated zinc chromate (ZnCrO4·3.5H2O) is a standard corrosion-inhibiting pigment for galvanized steel primers. It is a chemically defined zinc chromate under HTS 2841.90.4500, distinguished from oxides by chromate anion structure. Imported in moisture-proof bags as yellow crystals.
Chrome Yellow Lead Chromate
Chrome yellow, pure lead chromate (PbCrO4), provides opaque yellow pigmentation for traffic paints and artists' colors. Falls squarely under HTS 2841.90.4500 as a lead chromate salt of oxometallic acid. Supplied as micronized powder for dispersion.