Cobalt Chloride Hexahydrate
Cobalt chloride hexahydrate (CoCl2·6H2O) changes color with humidity and is used in hygrometers, catalysts, and pigments, classified in 2827.39.90. It is a pure inorganic chloride meeting Chapter definitions.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as inorganic pigment
Luminophore pigments excluded by Chapter note to 3206.
If diagnostic reagent preparation
Lab diagnostic kits are prepared reagents, not pure salts.
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Import Tips & Compliance
• REACH-like documentation for cobalt; toxicity data required
• Color-changing property must not be described as 'toy' to avoid Chapter 95
• Purity certificate essential for lab-grade imports
Related Products under HTS 2827.39.90
Zinc Chloride
Zinc chloride is an inorganic salt classified as a chloride of zinc under HTS 2827.39.90, fitting the 'other chlorides' category since it is not specifically enumerated elsewhere in 2827. It is commonly used in dry cell batteries, wood preservatives, and as a flux in soldering.
Cadmium Chloride
Cadmium chloride is a white crystalline inorganic compound used in photography, electroplating, and as a chemical intermediate, classified in 2827.39.90 as other chlorides not elsewhere specified. It meets Chapter 28's definition for chemically defined metal chlorides.
Ferric Chloride Anhydrous
Ferric chloride anhydrous (FeCl3) is used in water treatment, etching printed circuit boards, and as a catalyst, classified in 2827.39.90 as other iron chlorides. Excluded from specific ferric subheadings due to anhydrous form.
Manganese Chloride Tetrahydrate
Manganese chloride tetrahydrate (MnCl2·4H2O) is a pink crystalline salt used in fertilizers, animal feed, and chemical synthesis, under HTS 2827.39.90 for other chlorides. It qualifies as a chemically defined manganese compound.
Nickel Chloride Hexahydrate
Nickel chloride hexahydrate (NiCl2·6H2O) green crystals used in electroplating, catalysts, and battery production, under HTS 2827.39.90 as other chlorides. Chemically defined nickel salt per Chapter 28.
Barium Chloride Dihydrate
Barium chloride dihydrate (BaCl2·2H2O) used in fireworks, water softening, and as a chemical reagent, falls under HTS 2827.39.90 for other chlorides. Meets criteria for barium salt classification.