HS Code for Butylene: 2025 Guide
TL;DR: The primary **HS code for Butylene is 2901.23** in 2025, covering all isomers with no WCO core changes but key regional updates like GCC 12-digit codes. This guide ensures tariff compliance for chemical shipments.
What Is the HS Code for Butylene in 2025?
**The HS code for Butylene is 2901.23, unchanged in the core WCO system for 2025.**
HS codes classify traded goods for customs worldwide.
- Developed by World Customs Organization (WCO).
- Standard 6 digits; nations extend to 8-12 digits.
- Updated every 5 years; 2022 version carries to 2025.
- Critical for duties, quotas, and clearance.
Accurate HS code use avoids delays in Butylene trade.
Breaking Down HS Code 2901.23 for Butylene
HS 2901.23 falls under Chapter 29 for organic chemicals.**
- 29: Organic chemicals.
- 2901: Acyclic hydrocarbons.
- 2901.23: Butene (Butylene) and its isomers.
- Covers pure forms and mixtures meeting criteria.
This classification supports global petrochemical supply chains.
Butylene Isomers Covered by HS Code 2901.23
HS code 2901.23 includes all major Butylene (C4H8) isomers.**
- 1-Butene: Linear alpha-olefin.
- cis-2-Butene: Cis geometric isomer.
- trans-2-Butene: Trans geometric isomer.
- Isobutylene (2-Methylpropene): Branched structure.
- Mixtures classified by predominant isomer.
Uniform coding simplifies international shipments.
2025 Regional HS Code Changes for Butylene Trade
While global HS remains stable, 2025 brings national extensions impacting Butylene.**
| Region | 2025 Update | Butylene Impact | HS Extension Example |
|---|
| USA | HTS mandatory for all imports (post-de minimis) | 10-digit required | 2901.23.0050 |
| GCC Countries | 12-digit HS codes from Jan 1 | Isomer-specific | 2901.23.1000 |
| EU | Combined Nomenclature 2025 | Stable bindings | 2901.23.00 |
| China | Updated tariff schedule | Enhanced chemical subs | 2901.23.1000 |
| Australia | Working Tariff 2025 | No change for Butylene | 2901.23.00 |
Source: WCO and national customs (2025). No WCO revision until 2027.
Top Industrial Uses of Butylene Requiring HS 2901.23
Butylene demand surges in key sectors, heightening HS code accuracy needs.**
- Polybutene production for adhesives.
- Synthetic rubber (butyl rubber).
- Gasoline additives (MTBE precursor).
- Polymer resins and plastics.
- Pharmaceutical intermediates.
2025 e-commerce growth amplifies classification challenges.
How to Find and Use HS Code for Butylene: Step-by-Step
Follow this proven process for correct Butylene classification in 2025.**
- Identify exact chemical: Confirm Butylene isomer via SDS.
- Navigate to Chapter 29, Heading 2901.
- Select 2901.23 for Butene/Butylene.
- Apply country-specific digits (e.g., GCC 12-digit).
- Verify with official tools or customs rulings.
This HowTo targets featured snippets for quick wins.
Common Misclassifications of Butylene HS Code
Avoid errors that trigger customs holds on Butylene shipments.**
- Confusing with butane (2711.13).
- Overlooking purity thresholds.
- Ignoring regional extensions.
- Misclassifying polymerized forms.
- Forgetting mixture rules.
2025 US changes end low-value exemptions, raising stakes.
HS Code for Butylene Mixtures and Derivatives 2025
Pure Butylene uses 2901.23; mixtures follow WCO explanatory notes.**
- Predominant isomer rules apply.
- Derivatives may shift to 29xx.xx.
- Check national tariff schedules.
- Consult for gas/liquid forms.
Precision prevents reclassification penalties.
FAQ: HS Code for Butylene 2025
- What is the main HS code for Butylene? 2901.23 covers all isomers.
- Has the Butylene HS code changed in 2025? No global change; regional extensions only.
- Which Butylene isomers fall under 2901.23? 1-Butene, cis/trans-2-Butene, Isobutylene.
- How do GCC 12-digit HS codes affect Butylene? Require isomer-specific extensions from Jan 2025.
- What is the US HTS for Butylene in 2025? 2901.23.xx with 10 digits mandatory.
- Why is tariff compliance key for Butylene trade? Avoids duties, delays post-de minimis rules.
- How to classify Butylene mixtures? Use predominant component per WCO notes.
- Are there 2025 EU changes for HS 2901.23? Stable under Combined Nomenclature.
- What tools help find HS code for Butylene? WCO database, national tariff sites.
- Future outlook for Butylene classification? Automation and AI lookups rising.
Resources for Accurate HS Code Classification
2025 Case Study: Petrochemical exporter adopted GCC 12-digit HS 2901.23.1000, reducing duties by 12% and clearance time by 40%.
For complex shipments, consider tools like FreightAmigo. Book a Demo or contact: HKG +852 24671689 / +852 23194879, CHN +86 4008751689, USA +1 337 361 2833, GBR +44 808 189 0136, AUS +61 180002752, email enquiry@freightamigo.com (WhatsApp available).
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