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Cyanides, cyanide oxides and complex cyanides: > Cyanides and cyanide oxides: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Products classified under HTS 2837.19.01
Sodium Cyanide Briquettes
Sodium cyanide (NaCN) in compressed briquette form, used primarily in gold mining for leaching processes and in electroplating. Classified under HTS 2837.19.01 as a simple inorganic cyanide of sodium, distinct from complex cyanides. Meets Chapter 28 definitions for chemically defined inorganic compounds.
Potassium Cyanide Crystals
Potassium cyanide (KCN) in crystalline powder form, applied in organic synthesis and metal hardening. Falls under HTS 2837.19.01 as a cyanide of potassium, an alkali metal base. Excluded from complex cyanides per heading scope.
Calcium Cyanide Granules
Calcium cyanide (Ca(CN)2) granules for water treatment and fumigation in agriculture. HTS 2837.19.01 covers this as a simple cyanide of inorganic base calcium. Chemically defined per Chapter 28 Note 1.
Barium Cyanide Powder
Barium cyanide (Ba(CN)2) fine powder used in specialty chemical manufacturing. Classified in 2837.19.01 as other cyanides of inorganic bases like barium. Not a complex cyanide.
Strontium Cyanide Flakes
Strontium cyanide (Sr(CN)2) in flake form for pyrotechnics and research. HTS 2837.19.01 as cyanide of strontium, an alkaline earth metal. Chemically pure inorganic compound.
Lithium Cyanide Pellets
Lithium cyanide (LiCN) pellets for battery material research. Under 2837.19.01 as simple cyanide of lithium base. Excludes organo-inorganic per chapter exclusions.
Sodium Cyanide Prills
Spherical sodium cyanide prills optimized for mining dissolution. HTS 2837.19.01 for other cyanides, chemically defined NaCN. High purity grade.
Cuprous Cyanide Powder
Cuprous cyanide (CuCN) powder for copper plating baths. Classified 2837.19.01 as cyanide of inorganic copper(I) base. Not a complex per notes.
Zinc Cyanide Crystals
Zinc cyanide (Zn(CN)2) crystals used in zinc electroplating. HTS 2837.19.01 as other metal cyanide. Inorganic compound meeting chapter purity standards.
Mercuric Cyanide Reagent
Mercuric cyanide (Hg(CN)2) lab reagent grade for analytical chemistry. Under 2837.19.01 as cyanide of mercury base. Chemically defined per subheading note.
Cadmium Cyanide Fine Powder
Cadmium cyanide (Cd(CN)2) fine powder for cadmium plating. Classified HTS 2837.19.01, cyanide of cadmium inorganic base. Excludes radioactives.
Silver Cyanide Precipitate
Silver cyanide (AgCN) precipitated powder for mirror manufacturing. HTS 2837.19.01 as simple silver cyanide. Precious metal compound but classified here.
Gold(I) Cyanide Complex
Gold(I) cyanide (AuCN) used in jewelry plating despite complex nature. Borderline 2837.19.01 as simple cyanide per US rulings. Chemically defined.
Cobalt Cyanide Granular
Cobalt cyanide (Co(CN)2) granular form for catalyst preparation. HTS 2837.19.01 other cyanides of cobalt base. Inorganic salt.
Nickel Cyanide Tetrahydrate
Nickel cyanide tetrahydrate (Ni(CN)2·4H2O) for nickel electroplating solutions. Classified 2837.19.01 as hydrated simple cyanide. Meets chemical definition.