Zinc Tetrahydroxochromate
Zinc tetrahydroxychromate (III), a complex zinc chromate used in passivating treatments for aluminum. Chemically defined as zinc chromate derivative under HTS 2841.90.4500. Provided as stable powder for metal pretreatment baths.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not strictly meeting chromate definition
Other inorganic compounds not elsewhere specified in Chapter 28.
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Import Tips & Compliance
• Distinguish Cr(III) vs Cr(VI) valence in SDS to address toxicity differences
• Validate against Note 1 Chapter 28 for 'chemically defined' status
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.
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.
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.