United States tariff line 3105.51.00.00: Containing nitrates and phosphates
Last updated
Key facts
- Tariff line
- 3105.51.00.00
- Covers
- Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus, containing nitrates and phosphates
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 3105.51
Summary
In the United States tariff, line 3105.51.00.00 covers other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus, containing nitrates and phosphates. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3105.51 in heading 31.05 (chapter 31).
What this line covers
In the United States tariff, line 3105.51.00.00 covers other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus, containing nitrates and phosphates.
Its legal text is “Containing nitrates and phosphates”, read under “Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus”.
Products commonly classified here include Other mineral or chemical fertilizers, containing nitrates and phosphates (border.bot’s search keywords, not legal text).
How it is structured
It falls under HS subheading 3105.51 in heading 31.05 (chapter 31). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 31
- Fertilisers
- Heading 31.05
- Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
- Subheading 3105.51
- Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus
- Line 3105.51.00.00
- Containing nitrates and phosphates
Duty
Goods under this line enter free of general (MFN) duty.
In other countries
No other national tariff on border.bot has live lines under 3105.51 yet.
Frequently asked questions
What does tariff line 3105.51.00.00 cover in the United States tariff?
In the United States tariff, line 3105.51.00.00 covers other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus, containing nitrates and phosphates.
What is the general (MFN) duty on 3105.51.00.00 in the United States?
Goods under this line enter free of general (MFN) duty.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: