HTSUS, United States
2502.00.00.00
Unroasted iron pyrites
Classification path
- Unroasted iron pyrites
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- Free
- Unit of quantity
- t
About heading 2502
Unroasted iron pyrites
Heading 2502 covers unroasted iron pyrites, the iron sulfide mineral mined in crude form and mainly used to make sulfuric acid or recover sulfur. The heading has a single declarable line, 2502.00.00.00, so there is no subheading split based on form, purity or use. Once the pyrites are roasted or burned, they leave this heading.
Full guide to heading 2502Products in this heading
- Unroasted iron pyrite ore
- Crude pyrite lumps
- Pyrite fines and crushed pyrite
- Iron pyrites for sulfuric acid production
- Iron pyrites for sulfur recovery
- Unroasted pyrite shipped in bulk
Frequently asked questions
What is the HTS code for unroasted iron pyrites?
Unroasted iron pyrites are classified under 2502.00.00.00.
What is the duty on unroasted iron pyrites?
The general (MFN) rate for 2502.00.00.00 is Free.
How do I classify iron pyrites that have been roasted?
Roasted or burned pyrites are no longer covered by 2502.00.00.00 and are treated as iron ores and concentrates in heading 2601.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.