Chapter 2814 — Customs Tariff Headings
Products classified under Tariff item 28.14
Anhydrous Ammonia for Explosives Manufacturing
High-specification anhydrous ammonia (NH3) in liquefied form, used as a precursor in the production of ammonium nitrate for mining explosives. This product meets the purity standards for a separate chemically defined compound under Chapter 28 and is classified as anhydrous ammonia under tariff item 2814.10.00.
2814.10.00Anhydrous Ammonia for Nitric Acid Production
Technical-grade anhydrous ammonia used as a feedstock in the Ostwald process for nitric acid production. This chemically defined compound, free of water, falls squarely under tariff item 2814.10.00 as anhydrous ammonia, per Chapter 28 notes.
2814.10.00Fertilizer-Grade Anhydrous Ammonia
High-purity anhydrous ammonia formulated for direct agricultural application as a nitrogen fertilizer. As a separate chemically defined compound (NH3) with no water content, it is correctly classified under tariff item 2814.10.00, despite its agricultural end-use.
2814.10.00Industrial Grade Anhydrous Ammonia
Pure anhydrous ammonia (NH3) in liquefied form under pressure, used as a raw material for fertilizers and chemicals. This chemically defined compound, with no water or impurities, is classified under tariff item 2814.10.00 as anhydrous ammonia.
2814.10.00Laboratory-Grade Anhydrous Ammonia
High-purity anhydrous ammonia supplied in small cylinders for laboratory chemical synthesis and research. As a separate chemically defined compound (NH3) in anhydrous form, it falls under tariff item 2814.10.00, consistent with Chapter 28 classification rules.
2814.10.00Pharmaceutical-Grade Anhydrous Ammonia
USP-grade anhydrous ammonia used in pharmaceutical manufacturing and as a reagent in drug synthesis. This pure, chemically defined compound, free of water, is classified under tariff item 2814.10.00 as anhydrous ammonia, per Chapter 28 notes.
2814.10.00Refrigerant-Grade Anhydrous Ammonia (R717)
Ultra-pure anhydrous ammonia used as refrigerant gas R717 in industrial cooling systems. This chemically defined compound (NH3) with no water content is classified under tariff item 2814.10.00 as anhydrous ammonia, despite its use as a refrigerant.
2814.20.00ACS Reagent Grade Aqueous Ammonia 28-30%
High-purity aqueous ammonia (28-30%) meeting American Chemical Society (ACS) standards for laboratory reagents in analytical chemistry. It is a chemically defined aqueous solution of ammonia, falling under tariff item 2814.20.00 as ammonia in aqueous solution.
2814.20.00Bulk Aqueous Ammonia Solution 20% for Manufacturing
Bulk 20% aqueous ammonia shipped for use as a raw material in chemical synthesis and manufacturing processes. It is a chemically defined aqueous solution of ammonia, classified under tariff item 2814.20.00 as ammonia in aqueous solution.
2814.20.00Electronics Cleaning Ammonium Hydroxide 5-10%
Dilute 5-10% aqueous ammonia used for photoresist stripping and wafer cleaning in semiconductor manufacturing. It is a chemically defined aqueous solution of ammonia, falling under tariff item 2814.20.00 as ammonia in aqueous solution, provided it does not contain additives that render it suitable for a specific use.
2814.20.00Food Grade Ammonium Hydroxide 5% Solution
A 5% aqueous ammonia solution approved for food processing applications like pH control in protein extraction. It is a chemically defined aqueous solution of ammonia, classified under tariff item 2814.20.00, provided it does not contain food additives or other substances that would make it a prepared food product.
2814.20.00Household Ammonium Hydroxide 10% Solution
A 10% aqueous solution of ammonia, commonly known as ammonium hydroxide, used for household cleaning tasks like removing grease and stains from surfaces. It is a chemically defined aqueous solution of ammonia, falling under tariff item 2814.20.00, provided it does not contain perfumes, dyes, or other additives.
2814.20.00Industrial 25% Ammonium Hydroxide Solution
A strong 25% aqueous ammonia solution used in industrial applications such as pH adjustment in water treatment and chemical manufacturing. It is a chemically defined aqueous solution of ammonia, classified under tariff item 2814.20.00 as ammonia in aqueous solution.
2814.20.00Laboratory Analytical Grade Ammonium Hydroxide
High-purity ammonium hydroxide (aqueous ammonia) for precise analytical procedures in chemistry labs. It is a chemically defined aqueous solution of ammonia, falling under tariff item 2814.20.00 as ammonia in aqueous solution.
2814.20.00Pharmaceutical Grade Aqueous Ammonia Solution
USP-grade aqueous ammonia used in pharmaceutical manufacturing for synthesis and pH adjustment. It is a chemically defined aqueous solution of ammonia, classified under tariff item 2814.20.00, provided it does not contain pharmaceutical excipients or other additives.
2814.20.00Textile Processing Aqueous Ammonia 15%
15% aqueous ammonia solution used in textile dyeing and finishing to adjust pH and remove impurities. It is a chemically defined aqueous solution of ammonia, falling under tariff item 2814.20.00, provided it does not contain textile processing additives.
2814.20.00Water Treatment Grade 19% Ammonia Solution
19% aqueous ammonia formulated for municipal and industrial water treatment to control pH and remove chlorine residuals. It is a chemically defined aqueous solution of ammonia, classified under tariff item 2814.20.00 as ammonia in aqueous solution.