Viet Nam HS Code

HS Code 28111920: Aminosulphonic acid (sulphamic acid) in Viet Nam

Q: Is HS code 28111920 the same across all countries?

Only the first 6 digits of HS code 28111920 are internationally harmonized. The remaining digits are added by Viet Nam under AHTN-VN and are not directly comparable to other countries' codes.

Q: What system does Viet Nam use to classify HS code 28111920?

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 28111920 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 28111920 in Viet Nam

Under Viet Nam's Vietnam Tariff Schedule (Biểu thuế xuất nhập khẩu Việt Nam (AHTN 2022)), HS Code 28111920 is classified as Aminosulphonic acid (sulphamic acid). Viet Nam's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 28111920 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 2811: Other inorganic acids and other inorganic oxygen compounds of nonmetals.

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

What is HS Code 28111920 in Viet Nam in local language

HS Code 28111920: Axit aminosulphonic (axit sulphamic)

Classification Path of HS Code 28111920 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 2811

Other inorganic acids and other inorganic oxygen compounds of nonmetals

HS Code 28111920

Aminosulphonic acid (sulphamic acid) Axit aminosulphonic (axit sulphamic)

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

In Viet Nam, HS 28111920 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/

You know what 28111920 means. Now see 2026 latest real trade activity for Other Inorganic Acids in Viet Nam.

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

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Top Trading Product of HS Code 2811

Top Viet Nam import Product Under HS Code 2811

1 281122: Other inorganic acids and other inorganic oxygen compounds of nonmetals : Other inorganic oxygen compounds of nonmetals : Silicon dioxide $128.3M 2 281119: Other inorganic acids and other inorganic oxygen compounds of nonmetals : Other inorganic acids : Other $18.8M 3 281129: Other inorganic acids and other inorganic oxygen compounds of nonmetals : Other inorganic oxygen compounds of nonmetals : Other $17.5M

Figures shown for 2023.

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

Top Viet Nam export Product Under HS Code 2811

1 281122: Other inorganic acids and other inorganic oxygen compounds of nonmetals : Other inorganic oxygen compounds of nonmetals : Silicon dioxide $6.3M 2 281129: Other inorganic acids and other inorganic oxygen compounds of nonmetals : Other inorganic oxygen compounds of nonmetals : Other $4.2M 3 281121: Other inorganic acids and other inorganic oxygen compounds of nonmetals : Other inorganic oxygen compounds of nonmetals : Carbon dioxide $648.6K

Figures shown for 2023.

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

Related HS Code to Viet Nam Other Inorganic Acids (28111920)

Other inorganic acids : Hydrogen fluoride (hydrofluoric acid)

HS Code 281112

Other inorganic acids : Hydrogen cyanide (hydrocyanic acid)

HS Code 281121

Other inorganic oxygen compounds of nonmetals : Carbon dioxide

HS Code 281122

Other inorganic oxygen compounds of nonmetals : Silicon dioxide

HS Code 281129

Other inorganic oxygen compounds of nonmetals : Other

28111920 in Other Countries

See how 28111920 (Other Inorganic Acids) is classified across other countries, each with its own national code and local description.

Compare 28111920 across countries

Frequently Asked Questions

What is HS code 28111920 in Viet Nam?

HS code 28111920 covers Aminosulphonic acid (sulphamic acid) 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 2811 of the Harmonized System, and is classified under AHTN-VN.

Is HS code 28111920 the same across all countries?

What system does Viet Nam use to classify HS code 28111920?

Where can I officially look up HS code 28111920 in Viet Nam?