Diammonium hydrogenorthophosphate (Diammonium phosphate)
Mineral 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: > Diammonium hydrogenorthophosphate (Diammonium phosphate)
Duty Rate (from China)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 3105.30.00.00
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.
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.
High-Purity DAP for Hydroponic Systems
99% pure crystalline DAP in 500g pouches for nutrient solutions in aquaponics and hydro farms. Under HTS 3105.30.00.00 as N-P fertilizer not put up per 3105 exclusions. Dissolves rapidly for pH-stable feeds.
Diammonium Phosphate Bloom Booster Pack
8 kg booster packs emphasizing phosphorus for flowering plants like roses and peppers. HTS 3105.30.00.00 for DAP-based N-P in retail ≤10 kg. Enhances blooms without K addition.
Professional DAP Starter for Row Crops
6 kg professional-grade DAP (18-46-0) for corn and sorghum starters, in durable bags. Classified HTS 3105.30.00.00 as multi-nutrient ≤10 kg. Promotes early vigor.
Eco-Friendly DAP with Micronutrients Trace
DAP granules with trace micronutrients in 10 kg max eco-packs for sustainable farming. HTS 3105.30.00.00 since primary is diammonium phosphate N-P. Traces don't alter heading.
DAP Foliar Spray Concentrate Pouches
Soluble DAP concentrate in 3 kg pouches for foliar application on fruits. Under HTS 3105.30.00.00 as N-P not in excluded forms. Quick absorption for deficiencies.
Diammonium Phosphate for Acidic Soils
Neutralizing DAP (19-45-0) in 9.5 kg bags for pH correction in acidic fields. HTS 3105.30.00.00 for N-P fertilizer. Suits potatoes and brassicas.
Compact DAP Tablets for Drip Systems
Slow-dissolve DAP tablets (500g packs) for fertigation. Borderline HTS 3105.30.00.00 as similar forms ≤10 kg. Consistent nutrient delivery.
Premium DAP for Ornamental Nurseries
Fine-grade DAP in 5 kg nursery packs for potting mixes. HTS 3105.30.00.00 N-P ≤10 kg. For shrubs and perennials.