HS Code 310240
Mixtures of ammonium nitrate with calcium…
Official description: Mineral or chemical fertilisers, nitrogenous : Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilising substances
Also searched as: ammonium nitrate limestone fertilizer, CAN fertilizer, calcium ammonium nitrate, nitrochalk, ammonium nitrate calcium carbonate blend
Classification
How 310240 breaks down
Fertilisers
Mineral or chemical fertilisers, nitrogenous
Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilising substances
Covered products
What products fall under HS code 310240?
Buyers sourcing mixtures of ammonium nitrate with calcium… from 1688 commonly describe it in these ways. If your product matches, 310240 is likely the right 6-digit starting point — confirm material and intended use against the official tariff.
Import duty by market
Where to check the import duty for HS 310240
The 6-digit code is universal, but duty, VAT and GST are set by the destination country and depend on the full national tariff line with China as the country of origin. Start from the official source for your market.
United States
USITC / CBP · Harmonized Tariff Schedule (HTS)
European Union
TARIC · Access2Markets
United Kingdom
HMRC · UK Integrated Online Tariff
Canada
CBSA · Canadian Customs Tariff
Australia
ABF · Australian customs tariff
Singapore
Singapore Customs · Singapore Trade Classification (HS)
Compare the real China-origin import tax across markets
Use the HS & import duty checker to estimate duty + VAT/GST for 310240 by destination before you pay a 1688 supplier.
Heading 3102
Other HS codes under 3102
Subheadings in the same 4-digit heading — "Mineral or chemical fertilisers, nitrogenous". If 310240 is not an exact match, one of these may classify your product more precisely.
Questions
HS code 310240: common questions
What is HS code 310240?
HS code 310240 is the World Customs Organization 6-digit HS 2022 subheading for "Mineral or chemical fertilisers, nitrogenous : Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilising substances". The first two digits (31) are the chapter — Fertilisers — and digits 3-4 (3102) are the heading. Countries add further digits (8-10) for their national tariff line.
What products fall under HS 310240?
Common products classified under 310240 include ammonium nitrate limestone fertilizer, CAN fertilizer, calcium ammonium nitrate, nitrochalk, ammonium nitrate calcium carbonate blend and similar items matching mixtures of ammonium nitrate with calcium…. The correct code still depends on the product's material, function and intended use.
How do I find the import duty for HS code 310240?
Duty is set by the destination country, not by the 6-digit HS code alone. Start from the official tariff of your market — USITC HTS (US), TARIC / Access2Markets (EU), GOV.UK Trade Tariff (UK), CBSA (Canada), ABF (Australia) or Singapore Customs — and look up the full national code with China as the country of origin.
Is HS code 310240 the same in every country?
The first 6 digits (310240) are the same worldwide under the WCO Harmonized System. Beyond that, each country extends the code (HTS in the US, TARIC in the EU, etc.) and sets its own duty and tax rates.
Can I trust the HS code a 1688 supplier gives me?
Treat a supplier-provided code as a clue, not a final classification. It can be incomplete, China-export-specific, or mismatched to your destination's rules. Verify against the official tariff and your product's actual material and use.
Chapter 31
Explore Fertilisers
Sourcing mixtures of ammonium nitrate with calcium… from 1688?
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