Thailand HS Code

HS Code 290123: Unsaturated : Butene (butylene) and isomers thereof in Thailand

Q: Is HS code 290123 the same across all countries?

Yes — up to the 6-digit level, HS code 290123 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Thailand extends it under AHTN-TH.

Q: What system does Thailand use to classify HS code 290123?

Thailand classifies products under the ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH; locally พิกัดอัตราศุลกากร (AHTN 2022)), which extends HS codes to 11 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 290123 in Thailand?

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

What is HS Code 290123 in Thailand

Under Thailand's ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (พิกัดอัตราศุลกากร (AHTN 2022)), HS Code 290123 is the WCO Harmonized System subheading for Unsaturated : Butene (butylene) and isomers thereof. This is the most detailed internationally standardized level; Thailand extends classifications to 11 digits under its national tariff system. 290123 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2901: Acyclic hydrocarbons.

Explore more 2026 Latest Thailand import export trade data and shipment records for HS Code Butene and Isomers on TradeInt global trade data platform

Classification Path of HS Code 290123 in Thailand

Section VI

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

Chapter 29

Organic chemicals

HS Code 2901

Acyclic hydrocarbons

HS Code 290123

Unsaturated : Butene (butylene) and isomers thereof

HS Code 29012300000

Butene (butylene) and isomers thereof บิวทีน (บิวทิลีน) และไอโซเมอร์ของบิวทีน

Thailand Tariff Classification: ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH)

In Thailand, HS 290123 is classified under the ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (พิกัดอัตราศุลกากร (AHTN 2022)) — a 11-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH)

Local name พิกัดอัตราศุลกากร (AHTN 2022)

Digits 11

Official source https://www.customs.go.th/

You know what 290123 means. Now see 2026 latest real trade activity for Butene and Isomers in Thailand.

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

Search 2026 Latest Thailand Import Data Search 2026 Latest Thailand Export Data

Top Trading Product of HS Code 2901

Top Thailand import Product Under HS Code 2901

1 290129: Unsaturated : Other $154.4M 2 290123: Unsaturated : Butene (butylene) and isomers thereof $43.8M 3 290122: Unsaturated : Propene (propylene) $25.8M

Figures shown for 2025.

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

Top Thailand export Product Under HS Code 2901

1 290122: Unsaturated : Propene (propylene) $65.6M 2 290124: Unsaturated : Buta1,3diene and isoprene $27.3M 3 290121: Unsaturated : Ethylene $20.5M

Figures shown for 2025.

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

Related HS Code to Thailand Butene and Isomers (290123)

HS Code 29012300000

Butene (butylene) and isomers thereof

HS Code 290110

Saturated

HS Code 290121

Unsaturated : Ethylene

HS Code 290122

Unsaturated : Propene (propylene)

HS Code 290124

Unsaturated : Buta1,3diene and isoprene

HS Code 290129

Unsaturated : Other

HS Code 290211

Cyclanes, cyclenes and cycloterpenes : Cyclohexane

HS Code 290219

Cyclanes, cyclenes and cycloterpenes : Other

Frequently Asked Questions

What is HS code 290123 in Thailand?

HS code 290123 covers Unsaturated : Butene (butylene) and isomers thereof in Thailand. It sits in Chapter 29 (Organic chemicals), Heading 2901 of the Harmonized System, and is classified under AHTN-TH.

Is HS code 290123 the same across all countries?

What system does Thailand use to classify HS code 290123?

Where can I officially look up HS code 290123 in Thailand?