Viet Nam HS Code

HS Code 290435: Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Other salts of perfluorooctane sulphonic acid in Viet Nam

Q: Is HS code 290435 the same across all countries?

Yes — up to the 6-digit level, HS code 290435 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Viet Nam extends it under AHTN-VN.

Q: What system does Viet Nam use to classify HS code 290435?

Viet Nam classifies products under the Vietnam Tariff Schedule (AHTN-VN; locally Biểu thuế xuất nhập khẩu Việt Nam (AHTN 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 290435 in Viet Nam?

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

What is HS Code 290435 in Viet Nam

Under Viet Nam's Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)), HS Code 290435 is the WCO Harmonized System subheading for Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Other salts of perfluorooctane sulphonic acid. This is the most detailed internationally standardized level; Viet Nam extends classifications to 8 digits under its national tariff system. 290435 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2904: Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.

Explore more 2026 Latest Viet Nam import export trade data and shipment records for HS Code Other PFOS Salts on TradeInt global trade data platform

Classification Path of HS Code 290435 in Viet Nam

Section VI

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

Chapter 29

Organic chemicals

HS Code 2904

Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated

HS Code 290435

Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Other salts of perfluorooctane sulphonic acid

HS Code 29043500

Other salts of perfluorooctane sulphonic acid Muối khác của perfluorooctane sulphonic axit

Viet Nam Tariff Classification: Vietnam Tariff Schedule (AHTN-VN)

In Viet Nam, HS 290435 is classified under the Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Vietnam Tariff Schedule (AHTN-VN)

Local name Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)

Digits 8

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

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Top Trading Product of HS Code 2904

Top Viet Nam import Product Under HS Code 2904

1 290410: Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated : Derivatives containing only sulpho groups, their salts and ethyl esters $1.8M 2 290499: Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated : Other : Other $519.7K 3 290420: Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated : Derivatives containing only nitro or only nitroso groups $114.3K

Figures shown for 2023.

For more 2026 recent data, search for Viet Nam import trade records

Top Viet Nam export Product Under HS Code 2904

1 290410: Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated : Derivatives containing only sulpho groups, their salts and ethyl esters $14.4K

Figures shown for 2023.

For more 2026 recent data, search for Viet Nam export trade records

Related HS Code to Viet Nam Other PFOS Salts (290435)

HS Code 29043500

Other salts of perfluorooctane sulphonic acid

HS Code 290410

Derivatives containing only sulpho groups, their salts and ethyl esters

HS Code 290420

Derivatives containing only nitro or only nitroso groups

HS Code 290431

Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Perfluorooctane sulphonic acid

HS Code 290432

Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Ammonium perfluorooctane sulphonate

HS Code 290433

Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Lithium perfluorooctane sulphonate

HS Code 290434

Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Potassium perfluorooctane sulphonate

HS Code 290436

Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Perfluorooctane sulphonyl fluoride

HS Code 290491

Other : Trichloronitromethane (chloropicrin)

HS Code 290499

Other : Other

Frequently Asked Questions

What is HS code 290435 in Viet Nam?

HS code 290435 covers Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : Other salts of perfluorooctane sulphonic acid in Viet Nam. It sits in Chapter 29 (Organic chemicals), Heading 2904 of the Harmonized System, and is classified under AHTN-VN.

Is HS code 290435 the same across all countries?

What system does Viet Nam use to classify HS code 290435?

Where can I officially look up HS code 290435 in Viet Nam?