Chapter 31 · Fertilisers · Section 6
HS Code 3102.40
Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances
Heading 3102: Mineral or chemical fertilizers, nitrogenous
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 3102.40
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 3102.40.00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | Free | - | Free | t |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 3102.40
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 3102 40 90 | With a nitrogen content exceeding 28 % by weight | EU duty (TARIC) → |
| 3102 40 10 | With a nitrogen content not exceeding 28 % by weight | EU duty (TARIC) → |
| 3102 40 00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances | EU duty (TARIC) → |
United Kingdom - commodity codes under 3102.40
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 3102 40 00 00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances | UK duty & VAT → |
| 3102 40 10 00 | With a nitrogen content not exceeding 28|% by weight | UK duty & VAT → |
| 3102 40 90 00 | With a nitrogen content exceeding 28|% by weight | UK duty & VAT → |
Nearby codes in heading 3102
The subheadings immediately before and after 3102.40 in chapter 31.
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.
Frequently asked questions
Common questions about HS code 3102.40.
What is HS code 3102.40?
HS code 3102.40 covers: Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances. It belongs to chapter 31 (Fertilisers) of the Harmonized System.
What is the US import duty for HS code 3102.40?
The US general (normal trade relations) rate is: Free. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 3102.40?
The UK extends 3102.40 to 3 declarable 10-digit commodity codes, starting with 3102400000. The full code goes on the UK customs declaration.