NPK 18-46-0 Fertilizer Blend
A mineral fertilizer containing 18% nitrogen from ammonium nitrate and 46% phosphorus from superphosphate, packaged in 5 kg retail bags. It falls under HTS 3105.51.00.00 as it combines nitrates and phosphates exceeding 10 kg package limits are excluded from other headings. Ideal for home gardeners and small farms needing balanced N-P nutrition.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing only urea as nitrogen source without nitrate compounds
Pure urea fertilizers without nitrate component fall under heading 3102 for nitrogenous fertilizers
If for superphosphates without added nitrates
Phosphatic fertilizers lacking nitrogen/nitrate elements classify under heading 3103
If packaged in tablets or ≤10kg retail packs
Chapter notes exclude tablet/similar forms or small packages from bulk 3105.51 classification
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Import Tips & Compliance
• Verify exact N-P content via lab analysis to confirm classification under nitrates/phosphates; mislabeling leads to reclassification
• Include fertilizer registration documents from EPA or equivalent; packages over 10kg must not resemble consumer tablets
• Avoid shipping in aqueous solutions to prevent shifting to liquid fertilizer exclusions in Chapter 31 notes
Related Products under HTS 3105.51.00.00
Ammonium Nitrate Monoammonium Phosphate Mix
Bulk blend of 34% ammonium nitrate and 52% monoammonium phosphate (MAP) in 25 kg bags for field application. Classified under HTS 3105.51.00.00 due to explicit combination of nitrate nitrogen and phosphate phosphorus elements. Provides starter fertilizer for corn and wheat crops.
Calcium Ammonium Nitrate with TSP Blend
20-20 fertilizer combining calcium ammonium nitrate (CAN) and triple superphosphate (TSP) in 50 lb sacks. Meets HTS 3105.51.00.00 criteria for nitrate-phosphate mixtures not in excluded forms. Popular for turf and nursery applications requiring calcium supplementation.
UAN 32% with MAP Solution Blend
Liquid fertilizer mixing urea ammonium nitrate (UAN 32%) solution with monoammonium phosphate granules, shipped in 250 gallon totes. Although liquid, classified under 3105.51.00.00 as it contains qualifying nitrate-phosphate combination beyond heading 3102(d) scope. Used for fertigation systems.
Nitrophosphate 23-23 Fertilizer
Synthetic nitrophosphate fertilizer with 23% nitric nitrogen and 23% P2O5 from phosphoric acid reaction, in 20 kg bags. Falls squarely under HTS 3105.51.00.00 for chemically combined nitrate-phosphate products. Provides acidifying effect for alkaline soils.
CAN-17 + SSP Starter Fertilizer
Starter blend of 17-17-0 using calcium ammonium nitrate and single superphosphate in 40 lb bags. HTS 3105.51.00.00 applies to this nitrate-phosphate combination for row crop starters. Contains beneficial calcium and sulfur.
34-17 Nitrate Phosphate Granules
Granulated 34% nitrogen from ammonium nitrate + 17% P2O5 phosphate fertilizer in metric ton bulk bags. Specifically formulated for HTS 3105.51.00.00 classification combining both elements. High-analysis product for large-scale farming.