Sao Tome and Principe HS Code

HS Code 292390: Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Other in Sao Tome and Principe

Q: Is HS code 292390 the same across all countries?

Yes — up to the 6-digit level, HS code 292390 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 292390?

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 292390 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 292390 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 292390 is the WCO Harmonized System subheading for Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Other. This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 292390 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2923: Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined.

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

Classification Path of HS Code 292390 in Sao Tome and Principe

Section VI

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

Chapter 29

Organic chemicals

HS Code 2923

Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined

HS Code 292390

Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Other

HS Code 29239000

Sais e hidróxidos de amónio quaternários; lecitinas e outros fosfoaminolípidos, de constituição química definida ou não: Outros

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

In Sao Tome and Principe, HS 292390 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 Quaternary Ammonium Salts (292390)

HS Code 29239000

Sais e hidróxidos de amónio quaternários; lecitinas e outros fosfoaminolípidos, de constituição química definida ou não: Outros

HS Code 292310

Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Choline and its salts

HS Code 292320

Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Lecithins and other phosphoaminolipids

HS Code 292330

Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Tetraethylammonium perfluorooctane sulphonate

HS Code 292340

Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Didecyldimethylammonium perfluorooctane sulphonate

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

Frequently Asked Questions

What is HS code 292390 in Sao Tome and Principe?

HS code 292390 covers Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined : Other in Sao Tome and Principe. It sits in Chapter 29 (Organic chemicals), Heading 2923 of the Harmonized System, and is classified under HS-ST.

Is HS code 292390 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 292390?

Where can I officially look up HS code 292390 in Sao Tome and Principe?