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HTS 3105Mineral 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

Product or HTS code

Rate lines10

Code	Description	General	Special	Column 2	Units	Calculate
3105.10.00.00	3105.10.00.00Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kgGeneral Free · Column 2 Free · kg	Free		Free	kg
3105.20.00.00	3105.20.00.00Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassiumGeneral Free · Column 2 Free · t	Free		Free	t
3105.30.00.00	3105.30.00.00Diammonium hydrogenorthophosphate (Diammonium phosphate)General Free · Column 2 Free · t	Free		Free	t
3105.40.00	3105.40.00Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)General Free · Column 2 Free	Free		Free
3105.40.00.10	3105.40.00.10Ammonium dihydrogenorthophosphate (Monoammonium phosphate)General Free · Column 2 Free · t	Free		Free	t
3105.40.00.50	3105.40.00.50OtherGeneral Free · Column 2 Free · t	Free		Free	t
	Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus
3105.51.00.00	3105.51.00.00Containing nitrates and phosphatesGeneral Free · Column 2 Free · t	Free		Free	t
3105.59.00.00	3105.59.00.00OtherGeneral Free · Column 2 Free · t	Free		Free	t
3105.60.00.00	3105.60.00.00Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassiumGeneral Free · Column 2 Free · t	Free		Free	t
3105.90.00	3105.90.00OtherGeneral Free · Column 2 Free	Free		Free
3105.90.00.10	3105.90.00.10Potassium nitrate-sodium nitrate mixturesGeneral Free · Column 2 Free · t	Free		Free	t
3105.90.00.50	3105.90.00.50OtherGeneral Free · Column 2 Free · t	Free		Free	t

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Saudi Arabia24.79% of imports	Mexico16.33% of imports	Lithuania10.71% of imports	Morocco10.66% of imports	Canada6.54% of imports	Egypt4.52% of imports	Senegal3.03% of imports	Russia2.4% of imports	Norway1.95% of imports	Spain1.79% of imports
3105.10.00.00Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.20.00.00Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.30.00.00Diammonium hydrogenorthophosphate (Diammonium phosphate)	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.40.00.10Ammonium dihydrogenorthophosphate (Monoammonium phosphate)	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.40.00.50Other	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.51.00.00Containing nitrates and phosphates	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.59.00.00Other	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.60.00.00Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.90.00.10Potassium nitrate-sodium nitrate mixtures	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%
3105.90.00.50Other	0%	0%	0%	VariesAD/CVD may apply	0%	0%	0%	VariesAD/CVD may apply	0%	0%

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).