Sao Tome and Principe HS Code

HS Code 310530: Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Diammonium hydrogenorthophosphate (diammonium phosphate) in Sao Tome and Principe

Q: Is HS code 310530 the same across all countries?

Yes — up to the 6-digit level, HS code 310530 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Sao Tome and Principe extends it under HS-ST.

Q: What system does Sao Tome and Principe use to classify HS code 310530?

Sao Tome and Principe classifies products under the Pauta Aduaneira (HS-ST; locally Pauta Aduaneira), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 310530 in Sao Tome and Principe?

The official source is https://www.alfandegas.gov.st/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 310530 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 310530 is the WCO Harmonized System subheading for Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Diammonium hydrogenorthophosphate (diammonium phosphate). This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 310530 belongs to Section VI: Products of the chemical or allied industries, Chapter 31: Fertilizers, Heading 3105: Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Diammonium Phosphate (DAP) on TradeInt global trade data platform

Classification Path of HS Code 310530 in Sao Tome and Principe

Section VI

Chapters (28-38) Products of the chemical or allied industries

Chapter 31

Fertilizers

HS Code 3105

HS Code 310530

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Diammonium hydrogenorthophosphate (diammonium phosphate)

HS Code 31053000

Adubos (fertilizantes) minerais ou químicos, que contenham dois ou três dos seguintes elementos fertilizantes: azoto (nitrogénio), fósforo e potássio; outros adubos (fertilizantes); produtos do presente Capítulo apresentados em tabletes ou formas semelhantes, ou ainda em embalagens de peso bruto não superior a 10 kg: Hidrogeno ortofosfato de diamónio (fosfato diamónico ou diamoniacal)

Sao Tome and Principe Tariff Classification: Pauta Aduaneira (HS-ST)

In Sao Tome and Principe, HS 310530 is classified under the Pauta Aduaneira (Pauta Aduaneira) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Pauta Aduaneira (HS-ST)

Local name Pauta Aduaneira

Digits 8

Official source https://www.alfandegas.gov.st/

You know what 310530 means. Now see 2026 latest real trade activity for Diammonium Phosphate (DAP) in Sao Tome and Principe.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 3105

Top Sao Tome and Principe import Product Under HS Code 3105

1 310520: Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium $288.2K 2 310559: Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Other $9.4K 3 310590: Other $2.9K

Figures shown for 2023.

For more 2026 recent data, search for Sao Tome and Principe import trade records

Related HS Code to Sao Tome and Principe Diammonium Phosphate (DAP) (310530)

HS Code 31053000

HS Code 310510

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg

HS Code 310520

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium

HS Code 310540

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)

HS Code 310551

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Containing nitrates and phosphates

HS Code 310559

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Other

HS Code 310560

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Mineral or chemical fertilisers containing the two fertilising elements phosphorus and potassium

HS Code 310590

HS Code 310100

Animal or vegetable fertilisers, whether or not mixed together or chemically treated; fertilisers produced by the mixing or chemical treatment of animal or vegetable products

HS Code 310210

Mineral or chemical fertilisers, nitrogenous : Urea, whether or not in aqueous solution

Frequently Asked Questions

What is HS code 310530 in Sao Tome and Principe?

HS code 310530 covers Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg : Diammonium hydrogenorthophosphate (diammonium phosphate) in Sao Tome and Principe. It sits in Chapter 31 (Fertilizers), Heading 3105 of the Harmonized System, and is classified under HS-ST.

Is HS code 310530 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 310530?

Where can I officially look up HS code 310530 in Sao Tome and Principe?