HS Code 310311
Containing by weight 35 % or more of…
Official description: Mineral or chemical fertilisers, phosphatic : Superphosphates : Containing by weight 35 % or more of diphosphorus pentaoxide (P2O5)
Also searched as: triple superphosphate, TSP, concentrated superphosphate, high-analysis superphosphate
Classification
How 310311 breaks down
Fertilisers
Mineral or chemical fertilisers, phosphatic
Containing by weight 35 % or more of diphosphorus pentaoxide (P2O5)
Covered products
What products fall under HS code 310311?
Buyers sourcing containing by weight 35 % or more of… from 1688 commonly describe it in these ways. If your product matches, 310311 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 310311
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 310311 by destination before you pay a 1688 supplier.
Heading 3103
Other HS codes under 3103
Subheadings in the same 4-digit heading — "Mineral or chemical fertilisers, phosphatic". If 310311 is not an exact match, one of these may classify your product more precisely.
Questions
HS code 310311: common questions
What is HS code 310311?
HS code 310311 is the World Customs Organization 6-digit HS 2022 subheading for "Mineral or chemical fertilisers, phosphatic : Superphosphates : Containing by weight 35 % or more of diphosphorus pentaoxide (P2O5)". The first two digits (31) are the chapter — Fertilisers — and digits 3-4 (3103) are the heading. Countries add further digits (8-10) for their national tariff line.
What products fall under HS 310311?
Common products classified under 310311 include triple superphosphate, TSP, concentrated superphosphate, high-analysis superphosphate and similar items matching containing by weight 35 % or more of…. The correct code still depends on the product's material, function and intended use.
How do I find the import duty for HS code 310311?
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 310311 the same in every country?
The first 6 digits (310311) 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
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Sourcing containing by weight 35 % or more of… from 1688?
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