Mercuric Cyanide
Mercuric cyanide (Hg(CN)2) is a highly toxic white powder used in gold mining and electroplating. It is classified under HTS 2852.10.90.00 as a chemically defined mercury compound, distinct from inorganic base cyanides in 2837. Extreme poison requiring special handling.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered cyanide of inorganic base
Simple cyanides in 2837, but mercury compound heading 2852 supersedes per chapter structure.
If double cyanides or complex salts
Chapter note specifies complex cyanides of inorganic bases in 2842.
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Import Tips & Compliance
• Special cyanide import permits from EPA/ATF required; triple packaging for transport; immediate spill response plans mandatory
Related Products under HTS 2852.10.90.00
Mercuric Chloride
Mercuric chloride (HgCl2), also known as corrosive sublimate, is a white crystalline inorganic compound of mercury used in laboratory reagents and as a fungicide. It falls under HTS 2852.10.90.00 as a chemically defined compound of mercury, excluding amalgams, not specified elsewhere in the subheading. This classification aligns with Chapter 28 notes defining chemically defined mercury compounds.
Mercuric Sulfate
Mercuric sulfate (HgSO4) is a toxic white powder used in analytical chemistry and gold extraction processes. Classified under HTS 2852.10.90.00 as a chemically defined inorganic mercury compound outside specific subheadings. Meets Chapter 28 Note 1 criteria for single mercury salt compounds.
Mercuric Oxide Red
Red mercuric oxide (HgO) is a scarlet powder used in battery production and as a chemical reagent. It qualifies for HTS 2852.10.90.00 as a chemically defined mercury oxide compound not covered by other specific mercury subheadings. Distinguished from yellow form by particle size and color.
Mercuric Iodide
Mercuric iodide (HgI2) appears as a bright red crystalline powder, changing to yellow when heated, used in photography and medicine. Falls under HTS 2852.10.90.00 as a chemically defined mercury halide compound. Excluded from amalgams per heading exclusions.
Mercuric Nitrate
Mercuric nitrate (Hg(NO3)2) is a colorless deliquescent salt used as a catalyst and analytical reagent. Classified in HTS 2852.10.90.00 as other chemically defined mercury compounds meeting Chapter 28/29 note criteria. Highly corrosive and light-sensitive.
Mercuric Acetate
Mercuric acetate (Hg(CH3COO)2) is a white crystalline organomercury compound used in organic synthesis. Though organic, it qualifies under HTS 2852.10.90.00 per subheading note including organic mercury compounds chemically defined. Excluded if meeting Chapter 29 complex criteria elsewhere.