Diammonium Phosphate 18-46-0 Fertilizer Granules
Granular diammonium hydrogenorthophosphate (DAP) fertilizer with 18% nitrogen and 46% P2O5 content, used primarily for root development in crops like corn and wheat. It falls under HTS 3105.30.00.00 as it contains both nitrogen and phosphorus elements in a packaged form not exceeding 10 kg gross weight. This classification applies to commercial fertilizer blends meeting the chapter's criteria for multi-nutrient products.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure urea component dominates without significant phosphorus
Pure nitrogen fertilizers like urea fall under heading 3102, excluding multi-nutrient blends with phosphorus.
If primarily superphosphates with minimal nitrogen
Phosphorus-focused fertilizers like superphosphates are classified in 3103, not multi-element N-P products.
If in bulk form exceeding 10 kg gross weight
Packaging over 10 kg or unpackaged goods shift to general multi-nutrient fertilizers under 3105.20.
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Import Tips & Compliance
• Verify package gross weight does not exceed 10 kg to qualify under this subheading; provide chemical analysis certificates confirming DAP composition
• Ensure labeling includes N-P-K percentages and 'not for human consumption' to prevent FDA scrutiny
• Common pitfall: bulk shipments over 10 kg shift to 3105.20
Related Products under HTS 3105.30.00.00
Monoammonium Phosphate-Diammonium Phosphate Blend Pack
A 5 kg retail pack blending monoammonium phosphate (MAP) and diammonium phosphate (DAP) for balanced N-P nutrition in home gardening and small farms. Classified under HTS 3105.30.00.00 due to its diammonium hydrogenorthophosphate content and multi-element (N-P) composition in consumer-sized packaging ≤10 kg. Ideal for vegetables and fruits requiring phosphorus boost.
DAP 18-46 Water-Soluble Fertilizer Pouches
Individually sealed 1 kg pouches of water-soluble diammonium phosphate (18-46-0) for fertigation systems in hydroponics and drip irrigation. HTS 3105.30.00.00 covers this as a multi-nutrient (N-P) fertilizer in tablet/similar forms or ≤10 kg packages. Provides quick nutrient uptake for greenhouse tomatoes and cucumbers.
Organic-Coated Diammonium Phosphate Starter Fertilizer
Polymer-coated DAP granules (16-44-0) in 9 kg bags for seed-starting, releasing nutrients slowly to young plants like soybeans. Falls under HTS 3105.30.00.00 as diammonium hydrogenorthophosphate in ≤10 kg packages with N-P elements. Coating enhances efficiency without changing chemical classification.
Diammonium Phosphate Greenhouse Mix 20-40-0
High-analysis DAP mix in 4 kg moisture-resistant boxes for controlled-environment agriculture, supplying N and P for leafy greens. HTS 3105.30.00.00 applies to this two-element fertilizer in small packages. Meets chapter criteria excluding animal blood or pure compounds.
Retail DAP Fertilizer for Turf and Lawns
Consumer 7 kg bags of diammonium phosphate granules for lawn greening and root strengthening in turfgrass. Classified HTS 3105.30.00.00 for N-P fertilizer in ≤10 kg retail packages. Popular for home use on cool-season grasses.
DAP Seed-Safe Fertilizer Bands
Mini 2 kg banded packs of low-salt DAP for direct seed placement, minimizing burn on crops like cotton. HTS 3105.30.00.00 for diammonium phosphate in small package forms with N-P. Designed for precision agriculture.