HTSUS, United States
2807.00.00.00
Sulfuric acid; oleum
Classification path
- Sulfuric acid; oleum
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- Free
- Unit of quantity
- t
About heading 2807
Sulfuric acid; oleum
Heading 2807 covers sulfuric acid and oleum, which is fuming sulfuric acid, meaning sulfuric acid with dissolved sulfur trioxide. The heading has a single declarable line, 2807.00.00.00, so there is no subheading split by strength, concentration or end use. Both ordinary and fuming grades are classified in the same line.
Full guide to heading 2807Products in this heading
- Sulfuric acid, technical or commercial grade
- Battery acid (dilute sulfuric acid used as electrolyte)
- Concentrated sulfuric acid for industrial processing
- Oleum (fuming sulfuric acid)
- Sulfuric acid used in fertilizer and chemical manufacturing
- Sulfuric acid used in metal pickling and cleaning
- Spent or diluted sulfuric acid presented as the acid itself
Frequently asked questions
What is the HTS code for sulfuric acid?
Sulfuric acid is classified under 2807.00.00.00, with a general (MFN) rate of Free.
What is the duty on oleum (fuming sulfuric acid)?
Oleum falls under 2807.00.00.00 and carries a general (MFN) rate of Free.
How do I classify battery acid versus concentrated sulfuric acid?
Both are sulfuric acid and are reported under the single line 2807.00.00.00, general (MFN) rate Free, regardless of strength.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.