Gold Sodium Thiosulfate
Gold sodium thiosulfate (Na3Au(S2O3)2) is a coordination compound used in analytical chemistry and gold plating solutions. Classified under HTS 2843.30.00.00 for inorganic or organic compounds of gold.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If thiosulfate component emphasized without gold
Plain thiosulfates of inorganic bases are in 2831; gold specificity moves to 2843.
If imitation jewelry component
Gold compounds in jewelry settings fall under Chapter 71 as imitation jewelry.
If in plating bath mixtures
Prepared plating solutions containing gold compounds are chemical preparations in 3824.
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Import Tips & Compliance
• Provide assay reports confirming gold content >50% to avoid mixture classification
• Declare as hazardous if corrosive; ensure proper UN packaging for transport
Related Products under HTS 2843.30.00.00
Gold Chloride (Chloroauric Acid)
Gold chloride, also known as chloroauric acid (HAuCl4), is an inorganic gold compound used in chemical synthesis, photography, and as a precursor for gold nanoparticles. It falls under HTS 2843.30.00.00 as a chemically defined inorganic compound of gold, distinct from precious metals or amalgams.
Sodium Aurothiomalate
Sodium aurothiomalate is an organic gold compound used in injectable treatments for rheumatoid arthritis. It qualifies for HTS 2843.30.00.00 as an organic compound of precious metal gold, whether chemically defined or not.
Gold(III) Oxide
Gold(III) oxide (Au2O3) is a brown powder used as a catalyst in chemical reactions and in glass coloring. Falls under HTS 2843.30.00.00 for inorganic compounds of precious metal gold.
Auranofin
Auranofin is an oral gold-containing drug for rheumatoid arthritis treatment, featuring a gold-phosphine complex. Under HTS 2843.30.00.00 as an organic compound of precious metal.
Potassium Gold Cyanide
Potassium gold cyanide (KAu(CN)2) is a highly toxic gold compound essential for electroplating gold onto electronics and jewelry. It is imported under HTS 2843.30.00.00 as a chemically defined gold complex.
Tetrachloroauric Acid Solution
Aqueous solution of tetrachloroauric acid (HAuCl4·3H2O) used in etching and nanoparticle synthesis. Classified in HTS 2843.30.00.00 as gold compound, even in solution form.