Viet Nam HS Code

HS Code 281520: Potassium hydroxide (caustic potash) in Viet Nam

Q: Is HS code 281520 the same across all countries?

Yes — up to the 6-digit level, HS code 281520 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 281520?

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 281520 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 281520 in Viet Nam

Under Viet Nam's Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)), HS Code 281520 is the WCO Harmonized System subheading for Potassium hydroxide (caustic potash). This is the most detailed internationally standardized level; Viet Nam extends classifications to 8 digits under its national tariff system. 281520 belongs to Section VI: Products of the chemical or allied industries, Chapter 28: Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes, Heading 2815: Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.

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

Classification Path of HS Code 281520 in Viet Nam

Section VI

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

Chapter 28

Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

HS Code 2815

Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium

HS Code 281520

Potassium hydroxide (caustic potash)

HS Code 28152000

Potassium hydroxide (caustic potash) Kali hydroxit (potash ăn da)

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

In Viet Nam, HS 281520 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 2815

Top Viet Nam import Product Under HS Code 2815

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Top Viet Nam export Product Under HS Code 2815

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Related HS Code to Viet Nam Potassium Hydroxide (281520)

HS Code 28152000

Potassium hydroxide (caustic potash)

HS Code 281511

Sodium hydroxide (caustic soda) : Solid

HS Code 281512

Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda)

HS Code 281530

Peroxides of sodium or potassium

Sulphur, sublimed or precipitated; colloidal sulphur

HS Code 280300

Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)

HS Code 280410

Hydrogen

Frequently Asked Questions

What is HS code 281520 in Viet Nam?

HS code 281520 covers Potassium hydroxide (caustic potash) in Viet Nam. It sits in Chapter 28 (Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes), Heading 2815 of the Harmonized System, and is classified under AHTN-VN.

Is HS code 281520 the same across all countries?

What system does Viet Nam use to classify HS code 281520?

Where can I officially look up HS code 281520 in Viet Nam?