HS Code for Sodium nitrate fertilizer

Sodium nitrate fertilizer is classified under HS code 3102.50. This classification is determined by the General Rules of Interpretation (GRI) 1 and 6, as well as Note 2 to Chapter 31 of the Harmonized System. According to these notes, sodium nitrate, whether or not pure, is specifically included in heading 31.02 as a nitrogenous mineral or chemical fertilizer. Unlike many other chemical compounds that must be impure to be classified in Chapters 31, sodium nitrate is an exception; even in its chemically pure state, it remains in Chapter 31 rather than Chapter 28 (Inorganic Chemicals), provided it is not put up in the forms or packages described in heading 31.05. This classification covers both the naturally occurring mineral known as Chile saltpeter and the synthetically produced version. The primary factor for this classification is the chemical identity of the substance as a nitrogen-source for soil enrichment, which the HS nomenclature prioritizes for this specific compound.

Products Included

• Natural sodium nitrate (Chile saltpeter)
• Synthetic sodium nitrate for agricultural use
• Refined sodium nitrate used as a nitrogenous fertilizer
• Sodium nitrate crystals or prills intended for soil application

Common Misclassification

Sodium nitrate is frequently misclassified under HS code 2834.21. While 2834.21 covers nitrates of potassium, sodium nitrate is often confused with it because Chapter 28 generally covers pure inorganic chemicals. However, Note 2 to Chapter 31 explicitly directs sodium nitrate to 31.02. Another common error is using 3105.90 for mixtures; if the sodium nitrate is pure or a single substance, it must stay in 3102.50. Only when mixed with other fertilizing elements like phosphorus or potassium does it move to 31.05.

FAQ

What is the HS code for sodium nitrate fertilizer?

The HS code for sodium nitrate fertilizer is 3102.50, which specifically identifies it as a nitrogenous mineral or chemical fertilizer.

Is pure sodium nitrate classified differently than agricultural grade?

No, according to Chapter 31 Note 2, sodium nitrate is classified under 3102.50 whether or not it is chemically pure, which is a unique exception in the HS nomenclature for fertilizers.