Calcium Permanganate Granules
Granular calcium permanganate (Ca(MnO4)2) employed in specialty oxidation reactions and air purification systems. Falls under HTS 2841.69.00.90 as other permanganates, a chemically defined salt of oxometallic acid per Chapter 28 notes. Typically imported in 25kg fiber drums.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carbonate/peroxocarbonate form
Carbonates of inorganic bases are specifically in 2836, not oxometallic salts.
If in mineral fertilizer potassic mix
Products mentioned in Chapter 31 notes are excluded from Chapter 28 classification.
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Import Tips & Compliance
• Confirm no organic stabilizers to avoid Chapter 28 exclusion; label as dangerous good (UN 2898); test for heavy metal impurities to meet EPA import standards
Related Products under HTS 2841.69.00.90
Potassium Permanganate Crystals
Potassium permanganate (KMnO4) is a dark purple crystalline compound used as an oxidizing agent in water treatment and chemical labs. It falls under HTS 2841.69.00.90 as a permanganate salt of a metal (potassium), specifically classified among other manganates and permanganates not elsewhere specified. This chemically defined inorganic salt meets Chapter 28 criteria for metal salts of oxometallic acids.
Sodium Permanganate Solution 40%
A 40% aqueous solution of sodium permanganate (NaMnO4) used in industrial wastewater oxidation processes. Classified under HTS 2841.69.00.90 as 'other' permanganates, this peroxometallic salt qualifies as chemically defined per subchapter notes. It is imported in plastic carboys for chemical manufacturing.
Barium Manganate Powder
Barium manganate (BaMnO4) is a green powder used as a pigment precursor in ceramics and specialty pigments. It is classified in HTS 2841.69.00.90 as 'other' manganites/manganates/permanganates, fitting the definition of metal salts of oxometallic acids. Excluded from Chapter 32 if not final luminophore use.
Ammonium Manganate Solution
Liquid ammonium manganate ((NH4)2MnO4) used in analytical chemistry as a reagent. Classified under HTS 2841.69.00.90 per chapter note allowing ammonium salts in headings 2826-2842. Chemically defined and imported in laboratory reagent bottles.
Magnesium Permanganate Crystals
Crystalline magnesium permanganate (Mg(MnO4)2) for use in pyrotechnic compositions and bleaching. HTS 2841.69.00.90 covers this as other permanganates, meeting inorganic metal salt definitions. Supplied in moisture-proof containers.
Strontium Manganite Powder
Strontium manganite (SrMnO3) powder utilized in solid oxide fuel cell cathodes and electronics. Falls in HTS 2841.69.00.90 as other manganites, chemically defined oxometallic salt. Not doped silicon per chapter note.