HTS 2849.10.00.00 · Chapter 28
Of calcium
General (MFN) duty, special preferential rates, and where HTS 2849.10.00.00 sits in the US Harmonized Tariff Schedule.
- 1.8%
- General (MFN) rate
- Free (A*,AU,…
- Special / FTA rate
- 10%
- Column 2 (non-MFN)
- Ch 28
- Inorganic chemicals; o…
The verdict
At 1.8%, HTS 2849.10.00.00's general duty rate is above the median US tariff rate, higher than 52% of the 13,544 ad-valorem (percentage-based) tariff lines in the schedule.
- 1.8%
- General (MFN) rate
- 52nd pctl
- among ad-valorem lines
- Ch 28
- Inorganic chemicals; o…
About HTS 2849.10.00.00
HTS code 2849.10.00.00 classifies imports of: Of calcium. This line sits within Chapter 28 (Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes), Section VI (Products of the Chemical or Allied Industries), and is catalogued as a tariff line in the USITC 2026 Basic Edition. Duty is calculated against units of quantity: kg. A footnote applies to this classification: See 9903.88.03.
The general (MFN / Column 1 General) rate for HTS 2849.10.00.00 is 1.8%, which applies to most trading partners of the United States. A special preferential rate of "Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)" may reduce or eliminate duty when goods qualify under a free trade agreement such as USMCA, CAFTA-DR, or one of the bilateral FTAs. The Column 2 rate of 10% applies to imports from non-MFN countries such as Cuba and North Korea, a much higher historical "full" tariff.
Footnotes: See 9903.88.03. Beyond the published rate, importers should check for Section 201 safeguards, Section 301 China tariffs, and any active AD/CVD orders that can materially change the real landed cost. Always verify the classification with a licensed customs broker before committing to a supply contract, this page is a research tool, not a customs ruling.
Duty Rate Summary, HTS 2849.10.00.00
| Rate Column | Value | Applies To |
|---|---|---|
| General (Column 1) | 1.8% | Most-favored-nation (MFN) trading partners, the default rate for most US imports. |
| Special | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | Preferential rates under FTAs (USMCA, CAFTA-DR, GSP, etc.) when origin qualifies. |
| Column 2 | 10% | Statutory non-MFN rate for goods from countries without normal trade relations (Cuba, North Korea). |
Source: USITC Harmonized Tariff Schedule 2026 Basic Edition. See methodology for refresh cadence.
Details
- Units of Quantity
- kg
- Classification
- Tariff Line
- Footnotes
- See 9903.88.03.
Related Items in Chapter 28
Chlorine
Iodine
Fluorine
Bromine
Sulfur, sublimed or precipitated; colloidal sulfur
Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
Hydrogen
Argon
Other
Nitrogen
Frequently Asked Questions
What is the tariff rate for HTS 2849.10.00.00? ▼
What products does HTS 2849.10.00.00 cover? ▼
Are there any additional duties beyond the general rate for HTS 2849.10.00.00? ▼
Understanding This Tariff
HTS 2849.10.00.00 classifies under Chapter 28 (Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes), Section VI (Products of the Chemical or Allied Industries). The general duty rate of 1.8% applies to imports from most-favored-nation (MFN) countries, which includes the majority of US trading partners. Preferential rates under free trade agreements (such as USMCA, CAFTA-DR, or bilateral FTAs) may reduce or eliminate duty for qualifying imports from partner countries.
Importers should verify the correct HTS classification with a licensed customs broker or US Customs and Border Protection (CBP) before importing. Misclassification can result in penalties, delays, and additional duties.
Learn More About Tariffs
Data Sources
Tariff data from the U.S. International Trade Commission (USITC) Harmonized Tariff Schedule 2026 Basic Edition.
Duty rates are subject to change. Importers should verify current rates with U.S. Customs and Border Protection (CBP) before making import decisions. Additional duties, anti-dumping duties, or countervailing duties may apply.
Related
Sources: U.S. International Trade Commission Harmonized Tariff Schedule (2026 Basic Edition) and FAO FAOSTAT Trade: Crops and Livestock. See our methodology for how figures are computed.
Every figure on PlainTariff is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.