2852.10.90.00
Chemically defined / Other
Classification path
- Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams
- Chemically defined
- Other
Rates of duty
- General (MFN)
- 3%
- Column 2Cuba, North Korea, Russia, Belarus
- 25%
- Unit of quantity
- kg
Trade agreement rates
Related lines in heading 2852
About heading 2852
Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams
Heading 2852 covers inorganic or organic compounds of mercury, whether or not chemically defined, but not amalgams. It splits first by whether the compound is chemically defined, then by the specific named compounds, with a residual line at each level. Amalgams and mercury metal itself are classified elsewhere.
Full guide to heading 2852Products in this heading
- Mercuric oxide powder
- Mercuric cyanide
- Mercuric oxycyanide
- Mercuric potassium cyanide
- Mercury albuminate
- Mercury tannate
- Mercury phosphide
- Mercuric chloride (chemically defined, not named in the heading text)
Frequently asked questions
What is the HTS code for mercuric oxide?
Mercuric oxide is classified under 2852.10.10.00, which covers mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide. The general (MFN) rate for that line is Free.
What is the duty on other chemically defined mercury compounds?
Chemically defined mercury compounds not named in the first line of the heading fall under 2852.10.90.00. The general (MFN) rate for that line is 3%.
How do I classify mercury albuminate or mercury tannate?
Albuminates, tannates and phosphides of mercury are classified under 2852.90.05.00. The general (MFN) rate for that line is Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.