# 310240 — Mineral or chemical fertilisers, nitrogenous: Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances

HS code 310240 classifies Mineral or chemical fertilisers, nitrogenous: Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances. It belongs to Chapter 31 (Fertilisers) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.

> Section VI · Products of the chemical or allied industries
> Chapter 31 · Fertilisers

**HS code:** `310240`

## Description

Mineral or chemical fertilisers, nitrogenous : Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 0% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/31/310240
Last updated: 2026-06-03
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