Sao Tome and Principe HS Code

HS Code 31031900: Adubos (fertilizantes) minerais ou químicos, fosfatados: Superfosfatos: Outros in Sao Tome and Principe

Q: Is HS code 31031900 the same across all countries?

Only the first 6 digits of HS code 31031900 are internationally harmonized. The remaining digits are added by Sao Tome and Principe under HS-ST and are not directly comparable to other countries' codes.

Q: What system does Sao Tome and Principe use to classify HS code 31031900?

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 31031900 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 31031900 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 31031900 is classified as Adubos (fertilizantes) minerais ou químicos, fosfatados: Superfosfatos: Outros. Sao Tome and Principe's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 31031900 belongs to Section VI: Products of the chemical or allied industries, Chapter 31: Fertilizers, Heading 3103: Mineral or chemical fertilisers, phosphatic.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Standard Superphosphate on TradeInt global trade data platform

Classification Path of HS Code 31031900 in Sao Tome and Principe

Section VI

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

Chapter 31

Fertilizers

HS Code 3103

Mineral or chemical fertilisers, phosphatic

HS Code 31031900

Adubos (fertilizantes) minerais ou químicos, fosfatados: Superfosfatos: Outros

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

In Sao Tome and Principe, HS 31031900 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 31031900 means. Now see 2026 latest real trade activity for Standard Superphosphate 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 3103

Top Sao Tome and Principe import Product Under HS Code 3103

1 310390: Other $213.4K

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 Standard Superphosphate (31031900)

HS Code 310311

Mineral or chemical fertilisers, phosphatic : Superphosphates : Containing by weight 35 % or more of diphosphorus pentaoxide (P2O5)

HS Code 310390

Mineral or chemical fertilisers, phosphatic : Other

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

HS Code 310221

Mineral or chemical fertilisers, nitrogenous : Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Ammonium sulphate

HS Code 310229

Mineral or chemical fertilisers, nitrogenous : Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate : Other

HS Code 310230

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

HS Code 310240

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

HS Code 310250

Mineral or chemical fertilisers, nitrogenous : Sodium nitrate

HS Code 310260

Mineral or chemical fertilisers, nitrogenous : Double salts and mixtures of calcium nitrate and ammonium nitrate

31031900 in Other Countries

See how 31031900 (Standard Superphosphate) is classified across other countries, each with its own national code and local description.

Compare 31031900 across countries

Frequently Asked Questions

What is HS code 31031900 in Sao Tome and Principe?

HS code 31031900 covers Adubos (fertilizantes) minerais ou químicos, fosfatados: Superfosfatos: Outros in Sao Tome and Principe. It sits in Chapter 31 (Fertilizers), Heading 3103 of the Harmonized System, and is classified under HS-ST.

Is HS code 31031900 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 31031900?

Where can I officially look up HS code 31031900 in Sao Tome and Principe?