Portugal HS Code

HS Code 293510: Sulphonamides : NMethylperfluorooctane sulphonamide in Portugal

Q: Is HS code 293510 the same across all countries?

Yes — up to the 6-digit level, HS code 293510 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Portugal extends it under CN / TARIC.

Q: What system does Portugal use to classify HS code 293510?

Portugal classifies products under the Combined Nomenclature / TARIC (CN / TARIC; locally Nomenclatura Combinada), which extends HS codes to 10 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 293510 in Portugal?

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

What is HS Code 293510 in Portugal

Under Portugal's Combined Nomenclature / TARIC (Nomenclatura Combinada), HS Code 293510 is the WCO Harmonized System subheading for Sulphonamides : NMethylperfluorooctane sulphonamide. This is the most detailed internationally standardized level; Portugal extends classifications to 10 digits under its national tariff system. 293510 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2935: Sulphonamides.

Explore more 2026 Latest Portugal import export trade data and shipment records for HS Code N-Methyl PFOS Amide on TradeInt global trade data platform

Classification Path of HS Code 293510 in Portugal

Section VI

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

Chapter 29

Organic chemicals

HS Code 2935

Sulphonamides

HS Code 293510

Sulphonamides : NMethylperfluorooctane sulphonamide

HS Code 2935100000

N-Methylperfluorooctane sulphonamide

Portugal Tariff Classification: Combined Nomenclature / TARIC (CN / TARIC)

In Portugal, HS 293510 is classified under the Combined Nomenclature / TARIC (Nomenclatura Combinada) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Combined Nomenclature / TARIC (CN / TARIC)

Local name Nomenclatura Combinada

Digits 10

Official source https://www.portaldasfinancas.gov.pt/

You know what 293510 means. Now see 2026 latest real trade activity for N-Methyl PFOS Amide in Portugal.

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

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Top Trading Product of HS Code 2935

Top Portugal import Product Under HS Code 2935

1 293590: Other $46.6M 2 293510: NMethylperfluorooctane sulphonamide $29.7K 3 293530: NEthylN(2hydroxyethyl) perfluorooctane sulphonamide $276

Figures shown for 2025.

For more 2026 recent data, search for Portugal import trade records

Top Portugal export Product Under HS Code 2935

1 293590: Other $33.1M

Figures shown for 2025.

For more 2026 recent data, search for Portugal export trade records

Related HS Code to Portugal N-Methyl PFOS Amide (293510)

HS Code 2935100000

N-Methylperfluorooctane sulphonamide

HS Code 293520

Sulphonamides : NEthylperfluorooctane sulphonamide

HS Code 293530

Sulphonamides : NEthylN(2hydroxyethyl) perfluorooctane sulphonamide

HS Code 293540

Sulphonamides : N(2Hydroxyethyl)Nmethylperfluorooctane sulphonamide

HS Code 293550

Sulphonamides : Other perfluorooctane sulphonamides

HS Code 293590

Sulphonamides : Other

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

Frequently Asked Questions

What is HS code 293510 in Portugal?

HS code 293510 covers Sulphonamides : NMethylperfluorooctane sulphonamide in Portugal. It sits in Chapter 29 (Organic chemicals), Heading 2935 of the Harmonized System, and is classified under CN / TARIC.

Is HS code 293510 the same across all countries?

What system does Portugal use to classify HS code 293510?

Where can I officially look up HS code 293510 in Portugal?