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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If nano-gold colloidal particles
Solutions with colloidal gold particles are colloidal precious metals.
If dilute lab reagent mixtures
Non-defined chemical solutions containing gold fall to mixtures in 3824.
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
• Specify concentration (e.g
• 30% Au) on invoice to confirm compound status
• Corrosive liquid—use UN-approved bottles with proper labeling
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.
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.
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.