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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If copper sulfate instead
Other copper salts in 2833; cyanide specificity to 2837.
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The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• ITAR check if defense plating use; copper assay certificates; common error: classifying as organometallic
Related Products 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.