Chemically defined
Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams. > Chemically defined > Chemically defined
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2852.10.00
Dimethylmercury
Dimethylmercury ((CH3)2Hg) is an extremely toxic volatile organomercury compound used in research. It is a chemically defined organic compound of mercury, meeting the criteria of Chapter 28 Note 1(a) and Chapter 28 Note 2. This product is classified under tariff item 2852.10.00 as a chemically defined mercury compound.
Ethylmercury Chloride
Ethylmercury chloride (C2H5HgCl) is an organomercury compound used in organic synthesis research. It is a chemically defined organic compound of mercury, meeting the criteria of Chapter 28 Note 1(a). This product falls under tariff item 2852.10.00 as a chemically defined mercury compound.
Mercuric Acetate
Mercuric acetate (Hg(CH3COO)2) is a white crystalline organomercury compound used in organic synthesis. Though organic, it qualifies as a chemically defined mercury compound under Chapter 28 Note 2, which includes organic products in heading 28.52. This product falls under tariff item 2852.10.00.
Mercuric Bromide
Mercuric bromide (HgBr2) is a white crystalline compound used in photography and medicine. It is a chemically defined inorganic compound of mercury, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00.
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 is a chemically defined compound, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00.
Mercuric Cyanide
Mercuric cyanide (Hg(CN)2) is a highly toxic white powder used in gold mining and electroplating. It is a chemically defined mercury compound, meeting the criteria of Chapter 28 Note 1(a). This product falls under tariff item 2852.10.00, distinct from inorganic base cyanides.
Mercuric Cyanide Gold Extraction Grade
Technical grade mercuric cyanide optimized for amalgamation processes in small-scale gold recovery. Despite industrial impurities below 1%, it meets the criteria for a chemically defined compound under Chapter 28 Note 1(a), as impurities do not alter its essential character. This product falls under tariff item 2852.10.00 as a chemically defined inorganic compound of mercury.
Mercuric Cyanide Laboratory Grade
Mercuric cyanide (Hg(CN)2) is a highly toxic white crystalline compound used in gold mining extraction and organic synthesis. It qualifies as a chemically defined mercury compound explicitly named in Chapter 28, meeting the criteria of Note 1(a) for separate chemically defined compounds. This product is correctly classified under tariff item 2852.10.00.
Mercuric Iodide
Mercuric iodide (HgI2) appears as a bright red crystalline powder, changing to yellow when heated, used in photography and medicine. It is a chemically defined inorganic compound of mercury, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00.
Mercuric Nitrate
Mercuric nitrate (Hg(NO3)2) is a colorless deliquescent salt used as a catalyst and analytical reagent. It is a chemically defined inorganic compound of mercury, meeting the criteria of Chapter 28 Note 1(a). This product falls under tariff item 2852.10.00.
Mercuric Oxide Red
Red mercuric oxide (HgO) is a scarlet, crystalline powder widely used in the production of batteries, as a chemical reagent, and in pigment applications. As a chemically defined inorganic compound of mercury, it is classified under tariff item 2852.10.00, which covers such mercury compounds regardless of whether they are organic or inorganic in nature.
Mercuric Oxycyanide Reagent
Mercuric oxycyanide (Hg(CN)2·HgO) serves as a specialized reagent in qualitative analysis and pharmaceutical intermediates. This compound is a chemically defined mercury compound, meeting the criteria of Chapter 28 Note 1(a). It falls under tariff item 2852.10.00 as a chemically defined compound of mercury.
Mercuric Phosphate
Mercuric phosphate (Hg3(PO4)2) is a yellow, water-insoluble powder used primarily as an analytical reagent in laboratory settings. As a chemically defined inorganic salt of mercury, it is classified under tariff item 2852.10.00, which covers all chemically defined compounds of mercury, whether inorganic or organic, excluding amalgams.
Mercuric Potassium Cyanide Crystals
Mercuric potassium cyanide (K2[Hg(CN)4]) is used in electroplating baths and as an intermediate in heavy metal separations. It is a chemically defined complex cyanide of mercury and potassium, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00 as a chemically defined mercury compound.
Mercuric Sulfate
Mercuric sulfate (HgSO4) is a toxic white crystalline powder used in analytical chemistry, as a catalyst in organic synthesis, and in gold extraction processes. As a chemically defined inorganic mercury salt, it is classified under tariff item 2852.10.00, which encompasses all chemically defined mercury compounds except amalgams.
Mercuric Thiocyanate
Mercuric thiocyanate (Hg(SCN)2) is a white, highly sensitive powder known for the 'Pharaoh's serpent' reaction and used in pyrotechnics and as a chemical reagent. As a chemically defined inorganic mercury compound, it is classified under tariff item 2852.10.00, which covers all chemically defined mercury compounds, excluding amalgams.
Mercurous Nitrate
Mercurous nitrate (Hg2(NO3)2) is a colorless, toxic salt used in analytical chemistry and as a reagent in various chemical reactions. As a chemically defined inorganic mercury compound, it is classified under tariff item 2852.10.00, which covers all chemically defined mercury compounds, excluding amalgams.
Pharmaceutical Grade Mercuric Oxide
High-purity mercuric oxide meeting USP standards for use in ophthalmic preparations and antiseptics. It is a chemically defined compound of mercury, meeting the criteria of Chapter 28 Note 1(a) despite pharmaceutical end-use. This product falls under tariff item 2852.10.00 as a chemically defined mercury compound.
Phenylmercuric Acetate
Phenylmercuric acetate (C6H5HgOOCCH3) is an organomercury compound used as a fungicide, slimicide, and preservative in paints and coatings. As a chemically defined organic compound of mercury, it is classified under tariff item 2852.10.00, which covers all chemically defined mercury compounds, whether organic or inorganic, excluding amalgams.
Red Mercuric Oxide Crystals
Red mercuric oxide (HgO) in crystalline form serves as an analytical reagent and pigment precursor in specialized applications. It is a chemically defined inorganic compound of mercury, meeting the criteria of Chapter 28 Note 1(a). This product is classified under tariff item 2852.10.00.
Yellow Mercuric Oxide Powder
Yellow mercuric oxide (HgO) is a chemically defined inorganic compound of mercury used primarily in the production of mercury batteries and as a chemical reagent. It meets the criteria of Chapter 28 Note 1(a) as a separate chemically defined compound. This product falls under tariff item 2852.10.00.