Mercury(II) Thiocyanate
Mercury(II) thiocyanate (Hg(SCN)2) is used in pyrotechnics for 'Pharaoh's serpent' effect and lab reagents. Classified under HTS 2842.90.10.00 as a thiocyanate of inorganic base mercury, chemically defined per subheading note.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If explicitly mercury compounds
Subheading note places chemically defined mercury compounds in 2852, but thiocyanates take precedence in 2842.
If classified as mercury halide
Halide structure vs thiocyanate determines heading per notes.
Not sure which classification is right?
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
• Strict TSCA and EPA hazardous substance reporting required due to mercury toxicity
• Comply with Basel Convention for hazardous waste if impure
• Special permits needed for import; check FDA if for pharma
Related Products under HTS 2842.90.10.00
Sodium Thiocyanate
Sodium thiocyanate (NaSCN) is an inorganic salt of thiocyanic acid, used in chemical synthesis, photography, and as a reagent in analytical chemistry. It falls under HTS 2842.90.10.00 as a thiocyanate of an inorganic base (sodium), explicitly covered by the chapter notes for heading 2842.
Potassium Thiocyanate
Potassium thiocyanate (KSCN) is a colorless crystalline salt used in dyes, pharmaceuticals, and frost prevention sprays. Classified under HTS 2842.90.10.00 as a thiocyanate salt of inorganic base potassium, per heading 2842 scope.
Potassium Cyanate
Potassium cyanate (KOCN) is a white crystalline compound used in organic synthesis and herbicide production. It is classified in HTS 2842.90.10.00 as a cyanate of an inorganic base, directly matching the heading description.
Silver Thiocyanate
Silver thiocyanate (AgSCN) is a white powder used in photography and analytical reagents. Falls under HTS 2842.90.10.00 as a thiocyanate salt of inorganic base silver, per heading 2842 for metal salts.
Barium Thiocyanate
Barium thiocyanate (Ba(SCN)2) serves as a corrosion inhibitor and in textile processing. It is an inorganic salt under HTS 2842.90.10.00, fitting heading 2842 for thiocyanates of inorganic bases.
Ammonium Thiocyanate
Ammonium thiocyanate (NH4SCN) is widely used in fertilizers, photography, and steel pickling. Classified in HTS 2842.90.10.00 as per chapter note allowing ammonium salts in headings 2826-2842.