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AgroChem Ammonium Sulfate Bulk Fertilizer

Bulk ammonium sulfate fertilizer (N-P-K 21-0-0) for commercial farming operations, shipped in 50kg bags or supersacks. Falls under HTS 3102.29.00.00 as other ammonium sulfate excluding double salts with nitrate. Ideal for sulfur-deficient soils in cotton production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+25.0%25%
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3102.21.00.00Same rate: 25%

If contains ammonium nitrate impurities > specific threshold

Even small nitrate content may qualify as double salt under 3102.21.

3105.30.00.00Same rate: 25%

If when repackaged into consumer sizes

Retail-ready packaging automatically shifts to diammonium phosphate heading 3105.30.

3104.90.01.00Same rate: 25%

If mixed with potassic fertilizers

Any potash addition creates a compound fertilizer under heading 3104.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Use supersacks over 10kg to avoid 3105 reclassification; verify origin certificates for preferential duty treatment; test for heavy metals per fertilizer regulations

Related Products under HTS 3102.29.00.00

Granular Ammonium Sulfate Fertilizer 21-0-0

Granular ammonium sulfate (21% nitrogen, 24% sulfur) is a widely used nitrogenous fertilizer for correcting sulfur deficiencies in crops like corn and wheat. It falls under HTS 3102.29.00.00 as a pure ammonium sulfate not packaged for retail sale under heading 3105. The product dissolves slowly in soil, providing sustained nutrient release.

Industrial Grade Ammonium Sulfate Crystals

Pure crystalline ammonium sulfate used in industrial agriculture for alkaline soil correction and as a nitrogen source in large-scale farming. Classified under HTS 3102.29.00.00 as 'other' ammonium sulfate not in retail form. Commonly applied via broadcast spreaders for crops like potatoes and soybeans.

Water-Soluble Ammonium Sulfate 21% Nitrogen

Fast-dissolving ammonium sulfate powder for fertigation systems and foliar applications in greenhouse vegetable production. HTS 3102.29.00.00 covers this pure form not in retail packaging. Provides immediate nitrogen and sulfur availability to plants.

SulfurCoated Ammonium Sulfate Fertilizer

Polymer-sulfur coated ammonium sulfate granules for controlled-release nitrogen in turf and golf course applications. Classified under HTS 3102.29.00.00 as it remains fundamentally ammonium sulfate. Coating extends nutrient availability up to 120 days.

Neutral pH Ammonium Sulfate for Blueberries

Specially formulated ammonium sulfate with pH neutralizers for acid-loving crops like blueberries and azaleas. HTS 3102.29.00.00 applies as base material remains pure ammonium sulfate. Lowers soil pH while supplying sulfur nutrition.

Caprolactam Byproduct Ammonium Sulfate

High-purity ammonium sulfate recovered from nylon production as caprolactam byproduct, repurposed for fertilizer use. Falls under HTS 3102.29.00.00 when sold as agricultural fertilizer. Contains trace organic residuals but meets fertilizer specs.