Chapter 3102 — Customs Tariff Headings
Subheadings
Products classified under Tariff item 31.02
46% Nitrogen Urea Fertilizer Bulk Bag
Bulk bag (1-ton) solid urea fertilizer with 46% available nitrogen for commercial agriculture. This unpackaged solid urea falls under tariff item 3102.10.00 as urea, whether or not pure, and is not in retail packaging.
3102.10.00Agricultural Urea Prills 46-0-0 NPK
Agricultural Urea Prills 46-0-0 NPK are prilled agricultural urea with NPK 46-0-0 formulation for soil fertilization. They support turf, orchards, and field crops. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Agrotain Stabilized Urea Granules
Urea granules treated with NBPT inhibitor (Agrotain) to reduce volatilization losses. The inhibitor does not change the chemical identity of the urea, so this product falls under tariff item 3102.10.00 as urea, whether or not pure.
3102.10.00API Certified DEF for Heavy Duty Trucks
API Certified DEF for Heavy Duty Trucks is a Diesel Exhaust Fluid consisting of a 32.5% urea aqueous solution, compliant with ISO 22241 specifications. It is used in Selective Catalytic Reduction (SCR) systems to convert harmful NOx emissions into harmless nitrogen and water. This product falls under tariff item 3102.10.00 as urea in aqueous solution, not put up in forms or packages described in heading 31.05.
3102.10.00Aqueous Urea Solution 40% UAN
An aqueous solution containing 40% urea, used as a liquid nitrogen fertilizer for foliar application or irrigation systems. This product falls under tariff item 3102.10.00 as urea in aqueous solution, as described in Chapter Note 2(d) of Chapter 31.
3102.10.00BlueDEF Diesel Exhaust Fluid ISO 22241
BlueDEF Diesel Exhaust Fluid ISO 22241 is a high-purity automotive-grade DEF composed of 32.5% high-purity urea in deionized water. It is designed for use in Selective Catalytic Reduction (SCR) systems to reduce diesel emissions. This product is classified under tariff item 3102.10.00 as urea in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Bulk Urea 46-0-0 Crop Nutrient
Bulk solid urea granules providing 46% nitrogen for large-scale farming operations. This product falls under tariff item 3102.10.00 as solid urea, not in retail packaging, per Chapter Note 2(a)(viii).
3102.10.00Bulk Urea 46% Nitrogen for Crop Production
Bulk Urea 46% Nitrogen for Crop Production is a bulk urea fertilizer containing 46% nitrogen, shipped in large quantities for farm use. It is essential for high-yield farming of grains and vegetables. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Feed Grade Urea 281% Protein Equivalent
Feed grade urea with a protein equivalent of 281%, used as a non-protein nitrogen source in ruminant animal feed. Although not a fertilizer, it is chemically urea and falls under tariff item 3102.10.00, which covers urea whether or not pure and regardless of its end use.
3102.10.00Granular Urea Fertilizer 46-0-0
Granular urea fertilizer with 46% nitrogen content, commonly used for agricultural crops such as corn and wheat. This solid form of urea is not put up in retail packages and therefore falls under tariff item 3102.10.00, as it is urea whether or not pure.
3102.10.00High-Purity Urea 46% for Greenhouse Use
High-Purity Urea 46% for Greenhouse Use is a high-purity urea fertilizer for controlled greenhouse vegetable production. It dissolves readily for fertigation systems. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Hot Shot's Secret DEF Crystal Clear
Hot Shot's Secret DEF Crystal Clear is a premium ISO 22241-compliant Diesel Exhaust Fluid with 32.5% high-purity urea in deionized water. It is designed for heavy equipment and fleet operations to reduce diesel emissions via Selective Catalytic Reduction (SCR) technology. This product is classified under tariff item 3102.10.00 as urea in aqueous solution, not in forms or packages described in heading 31.05.
3102.10.00Liquid Urea Ammonium Nitrate (UAN 32%)
A liquid fertilizer solution containing urea and ammonium nitrate (UAN 32%) in aqueous form, used for side-dressing row crops. This product falls under tariff item 3102.10.00 as a liquid fertilizer consisting of urea in aqueous solution, per Chapter Note 2(d).
3102.10.00Low Biuret Urea Prills for Tobacco
Special low biuret (<0.25%) urea prills designed for tobacco and vegetable crops. This solid urea form is in bulk agricultural packaging and falls under tariff item 3102.10.00 as urea, whether or not pure.
3102.10.00Pastille Urea Fertilizer
Urea formed into pastilles (small flat pellets) for controlled-release fertilization, used in turf management such as golf courses. This solid form of urea is not in retail packages and falls under tariff item 3102.10.00 as urea, whether or not pure.
3102.10.00Peak BlueDEF DEF ISO 22241 Gallon Jug
Peak BlueDEF DEF ISO 22241 Gallon Jug is a premium Diesel Exhaust Fluid in gallon jugs, precisely formulated to ISO 22241 for diesel engine emission control. The aqueous solution contains 32.5% urea to enable SCR technology NOx reduction. This product falls under tariff item 3102.10.00 as urea in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Prilled Urea N46 Agricultural Grade
Prilled urea with 46% nitrogen, in small spherical granules for easy spreading in farming applications. This solid urea fertilizer is not in retail form and falls under tariff item 3102.10.00 as urea, whether or not pure.
3102.10.00Prilled Urea N46% Agricultural Grade
Prilled Urea N46% Agricultural Grade is prilled urea with 46% nitrogen, in small spherical granules for easy spreading in farming. It is ideal for side-dressing row crops and other agricultural applications. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Pure Urea Fertilizer for Rice Paddies
Pure Urea Fertilizer for Rice Paddies is a pure urea fertilizer specifically formulated for rice paddy applications. It provides basal and top-dressing nitrogen needs. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Slow-Release Urea Fertilizer Granules
Polymer-coated granular urea for controlled nitrogen release over 60-90 days in crops. The coating does not change the chemical identity of the urea, so this product falls under tariff item 3102.10.00 as urea, whether or not pure.
3102.10.00Slow-Release Urea Granules 44% N
Slow-Release Urea Granules 44% N are granular slow-release urea with 44% nitrogen for sustained crop feeding. They reduce leaching in sandy soils. This product is classified under tariff item 3102.10.00 as urea, provided the coating does not change the chemical identity as urea, and it is not put up in forms or packages described in heading 31.05.
3102.10.00Standard Granular Urea Fertilizer N46
Standard Granular Urea Fertilizer N46 is a standard specification granular urea with 46% nitrogen for general agriculture. It is versatile for multiple crop types. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Technical Grade Urea Fertilizer Granules
Technical Grade Urea Fertilizer Granules are technical grade granular urea for agricultural applications, with 46% N content. They are used in precision agriculture systems and broadcast spreading. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Technical Urea 99.3% Purity
Technical grade urea crystals at 99.3% purity, used for fertilizer blending or industrial applications. This product falls under tariff item 3102.10.00 as urea, whether or not pure, and is not put up in retail packages.
3102.10.00Technical Urea Fertilizer 46% N
Technical grade solid urea with 46% nitrogen and low biuret for sensitive crops like tobacco. This product falls under tariff item 3102.10.00 as solid urea meeting the purity standards of Chapter Note 2(a)(viii).
3102.10.00Urea Fertilizer for Cotton Farming
Urea Fertilizer for Cotton Farming is a urea fertilizer tailored for cotton production with 46% nitrogen content. It is applied during vegetative growth stages. This product is classified under tariff item 3102.10.00 as urea, whether or not in aqueous solution, provided it is not put up in forms or packages described in heading 31.05.
3102.10.00Urea Fertilizer Pellets 46% Nitrogen
Large pellet-form solid urea delivering 46% nitrogen for field crops and turf applications. This product falls under tariff item 3102.10.00 as solid urea not in retail form, consistent with the scope of heading 31.02.
3102.10.00Urea Gold Granules 46-0-0
Premium granular urea 'Urea Gold' brand with enhanced handling properties and 46% nitrogen. This solid form qualifies for tariff item 3102.10.00 as urea, whether or not pure, and is not in retail packages.
3102.10.00Valvoline DEF Ultra-Pure Solution
Valvoline DEF Ultra-Pure Solution is an ultra-pure 32.5% urea aqueous solution certified to ISO 22241 for use in modern diesel vehicles with SCR systems. It prevents catalyst poisoning and maintains emission system efficiency. This product is classified under tariff item 3102.10.00 as urea in aqueous solution, not in forms or packages described in heading 31.05.
3102.21.00Agricultural Grade Ammonium Sulfate Pellets
Pelletized agricultural grade ammonium sulfate, formulated for easy handling in mechanical spreaders on golf courses and lawns. This product is pure ammonium sulfate, not put up in retail packages, and therefore falls under tariff item 3102.21.00 as per chapter note 2(a)(iv).
3102.21.00Bulk Ammonium Sulfate for Cotton Crops
Bulk ammonium sulfate formulated for cotton farming, supplying nitrogen and sulfur during vegetative growth. It is pure ammonium sulfate without retail packaging or prohibited additives, qualifying under tariff item 3102.21.00 per chapter note 2(a)(iv).
3102.21.00Granular Ammonium Sulfate 21-0-0 Fertilizer
Granular ammonium sulfate fertilizer with 21% nitrogen and 24% sulfur, used for correcting sulfur deficiencies in crops like corn and wheat. This product is pure ammonium sulfate, not in retail packaging, and falls under tariff item 3102.21.00 as per chapter note 2(a)(iv).
3102.21.00Prilled Ammonium Sulfate Industrial Grade
Prilled ammonium sulfate for industrial agriculture, used for alkaline soil correction and as a nitrogen source in turf management. It qualifies as pure ammonium sulfate under tariff item 3102.21.00, per chapter note 2(a)(iv), and is not put up in retail forms.
3102.21.00Standard Ammonium Sulfate 21% Nitrogen
Standard crystalline ammonium sulfate providing 21% nitrogen for general field crops like soybeans and rice. This pure ammonium sulfate, not in retail packaging, falls under tariff item 3102.21.00 as described in chapter note 2(a)(iv).
3102.21.00Water-Soluble Ammonium Sulfate Fertilizer
Highly water-soluble ammonium sulfate for fertigation systems in greenhouse vegetable production. This product meets purity standards for ammonium sulfate without additives, and is not in retail packaging, so it falls under tariff item 3102.21.00 per chapter note 2(a)(iv).
3102.29.00AgroChem Ammonium Sulfate Bulk Fertilizer
Bulk ammonium sulfate fertilizer with an N-P-K analysis of 21-0-0, supplied in 50 kg bags or supersacks for commercial farming operations. It is a pure ammonium sulfate product, not mixed with ammonium nitrate or other nitrogenous compounds, and is not put up in the forms or packages described in heading 31.05.
3102.29.00Ammonium Sulfate with 24% Sulfur Analysis
Premium ammonium sulfate fertilizer with a guaranteed 24% elemental sulfur content, designed for high-sulfur-demanding crops such as onions and brassicas. It is a pure ammonium sulfate product, not combined with other nitrogenous compounds, and is not in retail packaging.
3102.29.00Caprolactam Byproduct Ammonium Sulfate
High-purity ammonium sulfate recovered as a byproduct of caprolactam production, repurposed for agricultural fertilizer use. It contains trace organic residuals but remains essentially ammonium sulfate, and is not put up in retail forms or packages.
3102.29.00Granular Ammonium Sulfate Fertilizer 21-0-0
Granular ammonium sulfate fertilizer with 21% nitrogen and 24% sulfur, used to correct sulfur deficiencies in crops like corn and wheat. It is a pure ammonium sulfate product, not mixed with other nitrogenous fertilizers, and is not in retail packaging.
3102.29.00Industrial Grade Ammonium Sulfate Crystals
Pure crystalline ammonium sulfate for industrial agriculture, used for alkaline soil correction and as a nitrogen source in large-scale farming. It is not put up in retail forms or packages and is not mixed with other nitrogenous compounds.
3102.29.00Low-Cadmium Ammonium Sulfate Fertilizer
Purified ammonium sulfate fertilizer with low cadmium content (Cd <1 ppm) for organic-adjacent farming systems. Despite purification, the base material remains ammonium sulfate, and it is not put up in retail forms or packages.
3102.29.00Micronized Ammonium Sulfate Powder
Ultra-fine micronized ammonium sulfate powder with particle size less than 50 microns, used for precision agriculture and suspension fertilizers. It is a pure ammonium sulfate product, not mixed with other nitrogenous compounds, and is not in retail packaging.
3102.29.00Neutral pH Ammonium Sulfate for Blueberries
Ammonium sulfate fertilizer specially formulated with pH neutralizers for acid-loving crops like blueberries and azaleas. The base material remains ammonium sulfate, and it is not put up in retail forms or packages.
3102.29.00SulfurCoated Ammonium Sulfate Fertilizer
Polymer-sulfur coated ammonium sulfate granules for controlled-release nitrogen in turf and golf course applications. The coating does not change the essential character of the product as ammonium sulfate, and it is not put up in retail forms or packages.
3102.29.00Water-Soluble Ammonium Sulfate 21% Nitrogen
Fast-dissolving ammonium sulfate powder for fertigation systems and foliar applications in greenhouse vegetable production. It is a pure ammonium sulfate product, not mixed with other nitrogenous compounds, and is not in retail packaging.
3102.30.00Aqueous Ammonium Nitrate Solution 83%
A high-concentration aqueous solution containing 83% ammonium nitrate, used in the continuous manufacturing of fertilizers and explosives. This product falls under tariff item 3102.30.00 because the heading explicitly covers ammonium nitrate whether or not in aqueous solution, and it is not put up in the forms or packages described in heading 31.05.
3102.30.00Industrial Grade Ammonium Nitrate Prills
Industrial-grade ammonium nitrate in prill form, used primarily as an intermediate in explosives manufacturing and mining operations. This product is classified under tariff item 3102.30.00 because it is ammonium nitrate, whether or not pure, and is not put up in the forms or packages described in heading 31.05.
3102.30.00Low-Density Ammonium Nitrate for Blasting
Low-density ammonium nitrate granules optimized for mining explosives when mixed with fuel. This product falls under tariff item 3102.30.00 as it is ammonium nitrate, whether or not pure, and is not excluded by chapter notes as a separate chemically defined compound or retail-packaged fertilizer.
3102.30.00Porous Prill Ammonium Nitrate 34.5-0-0
Technical grade porous ammonium nitrate prills with 34.5% nitrogen, designed for absorption of fuel oil in explosive formulations. This product is classified under tariff item 3102.30.00 because it is ammonium nitrate, whether or not pure, and is not put up in the forms or packages described in heading 31.05.
3102.30.00Technical Ammonium Nitrate 99.5% Purity
High-purity technical grade ammonium nitrate crystals with 99.5% purity, used for chemical synthesis and fertilizer production. This product falls under tariff item 3102.30.00 as it is ammonium nitrate, whether or not pure, and is not excluded by chapter note 1(b) because it is not a separate chemically defined compound other than those described in note 2(a)(ii).
3102.30.00UAN-32 Liquid Fertilizer Solution
Urea Ammonium Nitrate (UAN) 32% nitrogen solution containing ammonium nitrate in aqueous form for agricultural application. This product falls under tariff item 3102.30.00 because chapter note 2(d) includes liquid fertilizers consisting of ammonium nitrate in aqueous solution, provided they are not put up in the forms or packages described in heading 31.05.
3102.40.00AgriNitro Dolomitic Lime Ammonium Nitrate Blend
AgriNitro Dolomitic Lime Ammonium Nitrate Blend is a fertilizer mixture combining ammonium nitrate with dolomitic lime, a calcium/magnesium carbonate. It provides nitrogen and micronutrients while adjusting soil pH. This product falls under tariff item 3102.40.00 as it is a mixture of ammonium nitrate with an inorganic non-fertilizing substance, as specified in Chapter 31 Note 2(c).
3102.40.00Ammonium Nitrate Calcium Carbonate Fertilizer Blend
Ammonium Nitrate Calcium Carbonate Fertilizer Blend is a straightforward mixture of ammonium nitrate and calcium carbonate, designed to supply nitrogen and calcium while adjusting soil pH. It is classified under tariff item 3102.40.00 because it consists of ammonium nitrate mixed with an inorganic non-fertilizing substance, as per Chapter 31 Note 2(c).
3102.40.00CropGuard Ammonium Nitrate Clay Fertilizer Blend
CropGuard Ammonium Nitrate Clay Fertilizer Blend mixes ammonium nitrate with inert clay such as kaolin or bentonite to control nutrient release. The clay acts as an inorganic non-fertilizing substance, making this product classifiable under tariff item 3102.40.00 per Chapter 31 Note 2(c).
3102.40.00FieldPrime Ammonium Nitrate Magnesite Mix
FieldPrime Ammonium Nitrate Magnesite Mix combines ammonium nitrate with magnesite, a magnesium carbonate mineral, to provide nitrogen and magnesium. The magnesite is an inorganic non-fertilizing substance, so this product falls under tariff item 3102.40.00 according to Chapter 31 Note 2(c).
3102.40.00GreenYield Ammonium Nitrate Limestone Powder Mix
GreenYield Ammonium Nitrate Limestone Powder Mix is a fertilizer combining ammonium nitrate with finely ground limestone for soil acid correction and nitrogen supply. The limestone is a calcium carbonate-based inorganic non-fertilizing substance, making this product classifiable under tariff item 3102.40.00 per Chapter 31 Note 2(c).
3102.40.00NitrogenBoost Ammonium Nitrate Gypsum Mix
NitrogenBoost Ammonium Nitrate Gypsum Mix blends ammonium nitrate with gypsum (calcium sulfate) to deliver nitrogen and improve soil structure. Gypsum is an inorganic non-fertilizing substance, so this product falls under tariff item 3102.40.00 as per Chapter 31 Note 2(c).
3102.40.00SoilBalans Ammonium Nitrate Chalk Fertilizer
SoilBalans Ammonium Nitrate Chalk Fertilizer combines ammonium nitrate with ground chalk, a form of calcium carbonate, to supply nitrogen and neutralize acidic soils. The chalk is an inorganic non-fertilizing substance, making this product classifiable under tariff item 3102.40.00 per Chapter 31 Note 2(c).
3102.50.00Agricultural Sodium Nitrate Fertilizer
Granular sodium nitrate fertilizer for direct soil application, providing nitrogen and sodium nutrients to crops. It is classified under tariff item 3102.50.00 as sodium nitrate, whether or not pure, per Chapter Note 2(a)(i), and is not put up in forms or packages described in heading 31.05.
3102.50.00Bulk Sodium Nitrate for Pyrotechnics
Bulk sodium nitrate in prilled form, used as the primary oxidizer in pyrotechnic compositions such as fireworks and signal flares. This industrial-grade product is pure sodium nitrate, not put up in retail packages or measured doses, and therefore falls under tariff item 3102.50.00 as a nitrogenous fertilizer chemical.