Sao Tome and Principe HS Code

HS Code 291990: Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other in Sao Tome and Principe

Q: Is HS code 291990 the same across all countries?

Yes — up to the 6-digit level, HS code 291990 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 291990?

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 291990 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 291990 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 291990 is the WCO Harmonized System subheading for Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other. This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 291990 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2919: Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives.

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

Classification Path of HS Code 291990 in Sao Tome and Principe

Section VI

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

Chapter 29

Organic chemicals

HS Code 2919

Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives

HS Code 291990

Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other

HS Code 29199000

Ésteres fosfóricos e seus sais, incluindo os lactofosfatos; seus derivados halogenados, sulfonados, nitrados ou nitrosados: Outros

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

In Sao Tome and Principe, HS 291990 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/

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Related HS Code to Sao Tome and Principe Other Phosphate Esters (291990)

HS Code 29199000

Ésteres fosfóricos e seus sais, incluindo os lactofosfatos; seus derivados halogenados, sulfonados, nitrados ou nitrosados: Outros

HS Code 291910

Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives : Tris(2,3dibromopropyl) phosphate

HS Code 290110

Acyclic hydrocarbons : Saturated

HS Code 290121

Acyclic hydrocarbons : Unsaturated : Ethylene

HS Code 290122

Acyclic hydrocarbons : Unsaturated : Propene (propylene)

HS Code 290123

Acyclic hydrocarbons : Unsaturated : Butene (butylene) and isomers thereof

HS Code 290124

Acyclic hydrocarbons : Unsaturated : Buta1,3diene and isoprene

HS Code 290129

Acyclic hydrocarbons : Unsaturated : Other

HS Code 290211

Cyclic hydrocarbons : Cyclanes, cyclenes and cycloterpenes : Cyclohexane

HS Code 290219

Cyclic hydrocarbons : Cyclanes, cyclenes and cycloterpenes : Other

Frequently Asked Questions

What is HS code 291990 in Sao Tome and Principe?

HS code 291990 covers Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other in Sao Tome and Principe. It sits in Chapter 29 (Organic chemicals), Heading 2919 of the Harmonized System, and is classified under HS-ST.

Is HS code 291990 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 291990?

Where can I officially look up HS code 291990 in Sao Tome and Principe?