HTSUS, United States
2843.90.00.00
Other compounds; amalgams
Classification path
- Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals
- Other compounds; amalgams
Rates of duty
- General (MFN)
- 3.7%
- Column 2Cuba, North Korea, Russia, Belarus
- 25%
- Unit of quantity
- kg
Trade agreement rates
FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, K, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA
Related lines in heading 2843
About heading 2843
Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals
Heading 2843 covers colloidal precious metals, inorganic or organic compounds of precious metals, and amalgams of precious metals. It is split by form and metal: colloidal precious metals, silver compounds, gold compounds, and a residual line for other compounds and amalgams.
Full guide to heading 2843Products in this heading
- Colloidal silver
- Colloidal gold
- Silver nitrate
- Silver chloride
- Gold chloride
- Gold potassium cyanide
- Platinum chloride
- Gold amalgam
Frequently asked questions
What is the HTS code for silver nitrate?
Silver nitrate is 2843.21.00.00. The general (MFN) duty rate is 3.7%.
What is the duty on colloidal precious metals?
Colloidal precious metals are 2843.10.00.00. The general (MFN) duty rate is 5.5%.
How do I classify gold compounds?
Gold compounds are 2843.30.00.00. The general (MFN) duty rate is 5%.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.