HS Code for Mixed nitrogen fertilizer

Mixed nitrogen fertilizer is classified under HS code 310290. This classification is governed by the legal notes to Chapter 31, which covers mineral or chemical fertilizers. Heading 3102 specifically addresses nitrogenous fertilizers. While specific subheadings exist for pure substances like urea (310210), ammonium sulfate (310221), and ammonium nitrate (310230), the subheading 310290 is reserved for "other" nitrogenous fertilizers, including mixtures of different nitrogenous fertilizing substances that do not meet the criteria for the more specific subheadings. According to Note 2 to Chapter 31, heading 3102 applies only to products used as fertilizers and containing nitrogen as the essential constituent. If the mixture contains other primary fertilizing elements like phosphorus or potassium in significant quantities, the classification would shift to heading 3105. However, for products where nitrogen is the sole fertilizing element provided by a blend of different nitrogen-bearing chemicals, 310290 is the correct designation. This ensures that complex chemical blends intended for soil enrichment are accurately documented for international trade and environmental regulation.

Products Included

• Mixtures of ammonium nitrate with calcium carbonate
• Blends of urea and ammonium sulfate
• Liquid nitrogen fertilizer mixtures (UAN solutions)
• Nitrogenous mineral fertilizers with minor additives
• Calcium cyanamide mixtures containing nitrogen

Common Misclassification

A frequent misclassification occurs with HS code 310520, which covers mineral or chemical fertilizers containing the three fertilizing elements: nitrogen, phosphorus, and potassium. If a nitrogenous mixture contains even small intentional amounts of phosphorus or potassium, it must be moved to Chapter 3105. Additionally, 310210 (Urea) is often used incorrectly for mixtures where urea is the main component but other nitrogenous salts are present; if it is a mixture, 310290 is generally more appropriate unless the mixture is specifically described by another subheading.

FAQ

What is the HS code for mixed nitrogen fertilizer?

The HS code for mixed nitrogen fertilizer is 310290, covering nitrogenous fertilizers not specified in other subheadings of 3102.

Can liquid fertilizers be classified under 310290?

Yes, aqueous solutions of nitrogenous fertilizers, such as mixtures of urea and ammonium nitrate, are classified under 310290.