Singapore HS Code

HS Code 293540: Sulphonamides : N(2Hydroxyethyl)Nmethylperfluorooctane sulphonamide in Singapore

Q: Is HS code 293540 the same across all countries?

Yes — up to the 6-digit level, HS code 293540 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Singapore extends it under STCCED / HS-SG.

Q: What system does Singapore use to classify HS code 293540?

Singapore classifies products under the Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG; locally STCCED 2022), 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 293540 in Singapore?

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

What is HS Code 293540 in Singapore

Under Singapore's Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED 2022), HS Code 293540 is the WCO Harmonized System subheading for Sulphonamides : N(2Hydroxyethyl)Nmethylperfluorooctane sulphonamide. This is the most detailed internationally standardized level; Singapore extends classifications to 8 digits under its national tariff system. 293540 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2935: Sulphonamides.

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

Classification Path of HS Code 293540 in Singapore

Section VI

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

Chapter 29

Organic chemicals

HS Code 2935

Sulphonamides

HS Code 293540

Sulphonamides : N(2Hydroxyethyl)Nmethylperfluorooctane sulphonamide

HS Code 29354000

N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide

Singapore Tariff Classification: Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG)

In Singapore, HS 293540 is classified under the Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED 2022) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG)

Local name STCCED 2022

Digits 8

Official source https://www.customs.gov.sg/

You know what 293540 means. Now see 2026 latest real trade activity for N-Methyl Hydroxyethyl PFOS Amide in Singapore.

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 Singapore import Product Under HS Code 2935

1 293590: Other $17.0M

Figures shown for 2025.

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

Top Singapore export Product Under HS Code 2935

1 293590: Other $204.6M

Figures shown for 2025.

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

Related HS Code to Singapore N-Methyl Hydroxyethyl PFOS Amide (293540)

HS Code 29354000

N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide

HS Code 293510

Sulphonamides : NMethylperfluorooctane sulphonamide

HS Code 293520

Sulphonamides : NEthylperfluorooctane sulphonamide

HS Code 293530

Sulphonamides : NEthylN(2hydroxyethyl) perfluorooctane 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 293540 in Singapore?

HS code 293540 covers Sulphonamides : N(2Hydroxyethyl)Nmethylperfluorooctane sulphonamide in Singapore. It sits in Chapter 29 (Organic chemicals), Heading 2935 of the Harmonized System, and is classified under STCCED / HS-SG.

Is HS code 293540 the same across all countries?

What system does Singapore use to classify HS code 293540?

Where can I officially look up HS code 293540 in Singapore?