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Harmonized Tariff Schedule (2025 HTS Revision 22 (09/09/2025))

Search Key:POTASSIUM NITRATE

Heading Duty(general) Duty(china) Article Description Compare Code
3105.90.00.10 Free The duty provided in the applicable subheading + 25% Potassium nitrate-sodium nitrate mixtures --
2815 Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium:
Sodium hydroxide (Caustic soda):
vs-3105900010
2826.90.10.00 4.1% The duty provided in the applicable subheading + 25% Fluorosilicates of sodium or of potassium vs-2815
2827.51.00.00 Free The duty provided in the applicable subheading + 25% Bromides of sodium or of potassium vs-2826901000
2829.90.05.00 Free The duty provided in the applicable subheading + 25% Potassium bromate vs-2827510000
2833.40.60.10 3.1% The duty provided in the applicable subheading + 25% Of potassium vs-2829900500
2834.21.00.00 Free The duty provided in the applicable subheading + 25% Of potassium vs-2833406010
2835.24.00.00 3.1% The duty provided in the applicable subheading + 25% Of potassium vs-2834210000
2836.40 Potassium carbonates: vs-2835240000
2837.19.01.10 Free The duty provided in the applicable subheading + 7.5% Potassium cyanide vs-283640
2839.90.10.00 3.1% The duty provided in the applicable subheading + 25% Of potassium vs-2837190110
2841.50.10.00 1.5% The duty provided in the applicable subheading + 25% Potassium dichromate vs-2839901000
2843.21.00.00 3.7% The duty provided in the applicable subheading + 25% Silver nitrate vs-2841501000
2852.10.10.00 Free The duty provided in the applicable subheading + 25% Mercuric oxide, mercuric cyanide, mercuric oxycyanide and mercuric potassium cyanide vs-2843210000
2904.34.00.00 3.7% The duty provided in the applicable subheading + 25% Potassium perfluorooctane sulfonate vs-2852101000
2908.99.03.00 5.5% The duty provided in the applicable subheading + 25% 2,5-Dihydroxybenzenesulfonic acid, potassium salt; 3,6-Dihydroxy-2,7-naphthalenedisulfonic acid; 3,6-Dihydroxy-2,7-naphthalenedisulfonic acid, sodium salt; 4-Hydroxy-1-naphthalenesulfonic acid, sodium salt; 1-Naphthol-3,6-disulfonic acid; and 2-Naphthol-3,6-disulfonic acid and its salts vs-2904340000
2916.19.10.00 3.1% The duty provided in the applicable subheading + 25% Potassium sorbate vs-2908990300
2918.13.10.00 Free The duty provided in the applicable subheading + 25% Potassium antimony tartrate (Tartar emetic) vs-2916191000
2922.21.10.00 5.8% The duty provided in the applicable subheading + 25% 1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid (Chicago acid); 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, potassium salt; 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, sodium salt; 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, monosodium salt (H acid, monosodium salt); 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid, potassium salt (H acid, monopotassium salt); 4-Amino-3-hydroxy-1-naphthalenesulfonic acid; 6-Amino-1-naphthol-3-sulfonic acid and its salts; and 8-Amino-1-naphthol-5-sulfonic acid and its salts vs-2918131000
2924.29.23.00 Free The duty provided in the applicable subheading + 15% 4-Amino acetanilide; 2,2'-Oxamido bis [ethyl-3-(3,5-di-tert-butyl- 4-hydroxyphenyl) propionate]; Aceto acetsulfanilic acid, potassium salt; and N-(2,3-Dihydroxy propyl)-5-N-(2,3-dihydroxy- propyl) acetamido-N'-(2-hydroxyethyl)- 2,4,6-triiodoisophthalamide vs-2922211000