Calcium Chromate Tetrahydrate
Calcium chromate tetrahydrate (CaCrO4·4H2O) is an inorganic salt of chromic acid, fitting 'other chromates' in HTS 2841.50.91.00. Used in corrosion-resistant primers and drilling fluids.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If misidentified as calcium carbonate/peroxocarbonate
Carbonates of calcium are under 2836 per chapter note.
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Import Tips & Compliance
• Hydrate form needs water content verification to confirm identity
Related Products under HTS 2841.50.91.00
Sodium Dichromate Dihydrate
Sodium dichromate dihydrate (Na2Cr2O7·2H2O) is a crystalline orange salt of a peroxometallic acid, specifically a dichromate of sodium. It falls under HTS 2841.50.91.00 as 'other' chromates, dichromates, and peroxochromates not specified elsewhere in the subheading. Primarily used in leather tanning, pigment production, and wood preservation.
Potassium Dichromate Crystals
Potassium dichromate (K2Cr2O7) in crystalline form is a strong oxidizer and salt of dichromic acid. Classified under HTS 2841.50.91.00 as an 'other' dichromate, distinct from basic chromates like chromic acid. Widely used in analytical chemistry, photography, and as a mordant in dyeing.
Ammonium Peroxochromate Powder
Ammonium peroxochromate is a peroxometallic salt containing the peroxodichromate anion, fitting Chapter 28 notes for ammonium salts of oxometallic acids. It is classified in HTS 2841.50.91.00 as 'other' peroxochromates. Applied in bleaching agents and specialized oxidation processes.
Barium Chromate Yellow Pigment Base
Barium chromate (BaCrO4), known as lemon chrome, is a chemically defined chromate salt used as a pigment precursor. It is classified under HTS 2841.50.91.00 as other chromates. Primarily for high-temperature paints and pyrotechnics.
Strontium Chromate Inhibitor Crystals
Strontium chromate (SrCrO4) crystals serve as corrosion inhibitors in aircraft primers. As a metal chromate, it is 'other' under HTS 2841.50.91.00.
Lead Chromate(VI) Basic Salt
Basic lead chromate is a chromate salt used in industrial pigments. HTS 2841.50.91.00 for other chromates.