HS Code for Sulfur Dioxide (2811.29) 2025 Guide
**TL;DR:** The **HS code for sulfur dioxide** is 2811.29 in Chapter 28 for inorganic chemicals. This 2025 guide details classification, regional updates, shipping rules, and compliance for importers and e-commerce.
HS Code for Sulfur Dioxide: 2025 Regional Variations | Region | Standard HS | 2025 Extended Code | Main Update |
| Global (WCO) | 2811.29 | 2811.29 | No core change; national extensions apply |
| USA (HTS) | 2811.29.2000 | 2811.29.2050 | USPS HTS mandatory from Sep 2025 |
| EU (CN) | 2811.29.00 | 2811.29.10 | New subcodes for industrial uses |
| GCC Countries | 2811.29 | 2811.29.XX (12-digit) | 12-digit mandatory Jan 1, 2025 |
What Is the HS Code for Sulfur Dioxide in 2025?
The **HS code for sulfur dioxide** remains 2811.29 worldwide. This code falls under HS Chapter 28 for inorganic chemicals. Used by over 200 countries, it ensures accurate tariff application and trade statistics.
- HS stands for Harmonized System, managed by the World Customs Organization (WCO).
- Updated every five years; next major WCO revision in 2027.
- 2025 brings national-level **HS code changes** like GCC's 12-digit expansion.
- Essential for **tariff compliance 2025** in chemicals trade.
Breaking Down HS 2811.29 for Sulfur Dioxide
HS 2811.29 precisely classifies sulfur dioxide (SO2) as other sulfur oxides.
- 28: Chapter for inorganic chemicals, oxygen compounds.
- 2811: Other inorganic acids and non-metal peroxides/oxides.
- .29: Specifically sulfur dioxide and trioxide.
- National digits vary: USA adds .2000; GCC uses 12 digits in 2025.
- Verify via official tools for **HS code lookup 2025** accuracy.
2025 HS Code Changes Impacting Sulfur Dioxide
Key **HS code changes 2025** affect sulfur dioxide shippers globally.
- USA: HTS required for USPS shipments starting September 2025; de minimis rule ends August 2025.
- GCC (Saudi Arabia, UAE, etc.): Shift to mandatory 12-digit HS codes on January 1, 2025.
- EU: Combined Nomenclature adds subheadings for chemical applications like batteries.
- Australia and UK align with WCO but introduce e-commerce-specific rules.
How to Find the Correct HS Code for Sulfur Dioxide Exports
Use this **how-to guide** to determine the right HS code for sulfur dioxide.
- Confirm product: Pure SO2 gas (UN 1079) or in mixtures.
- Locate Chapter 28 via WCO HS nomenclature.
- Select heading 2811 for sulfur oxygen compounds.
- Choose subheading 2811.29; append country-specific digits.
- Cross-check with national databases like US ITC or EU TARIC.
HS Code for Sulfur Dioxide in E-Commerce 2025
E-commerce sellers must adapt to **HS code changes 2025 e-commerce** for SO2 products.
- Misclassification risks: Duties up to 6.5% plus penalties.
- Platform requirements: Verified HS codes needed for hazmat listings.
- De minimis impacts: Full tariffs on low-value US imports post-2025.
- LSI keywords: **Sulfur dioxide tariff code**, import duties 2025.
- Pro tip: Update listings before January 2025 deadlines.
Sulfur Dioxide Shipping Rules Under HS 2811.29 2025
Combine **HS code for sulfur dioxide** with hazmat regulations for safe shipping.
- Classified as UN 1079, toxic gas (Class 2.3).
- Requires IATA/IMDG packaging and documentation.
- Safety Data Sheet (SDS) mandatory with HS declaration.
- Preferred modes: Sea or road for bulk; air limited to small quantities.
- Include 2025 HS extensions on labels for customs clearance.
Common Mistakes with Sulfur Dioxide HS Code 2025
Avoid pitfalls in **HS code classification 2025** for sulfur dioxide.
- Using outdated 2022 codes in GCC regions.
- Ignoring national extensions like US 2811.29.2050.
- Overlooking mixtures: SO2 in solutions may shift to other codes.
- Failing to update e-commerce platforms pre-2025.
- Not verifying with customs rulings for purity levels.
HS Code Tools and Resources for 2025 Compliance
Leverage free tools for accurate **tariff compliance 2025**.
| Tool | Region | Best For |
| WCO HS Database | Global | 6-digit lookup |
| US ITC HTS Search | USA | 10-digit codes |
| EU TARIC | EU | Combined Nomenclature |
| GCC HS Portal | GCC | 12-digit 2025 updates |
FAQ: HS Code for Sulfur Dioxide Questions
Answers to top searches on **HS code for sulfur dioxide**.
- What is the HS code for sulfur dioxide? 2811.29 under Chapter 28 inorganic chemicals.
- Has the sulfur dioxide HS code changed in 2025? Core code stable; national extensions updated like GCC 12-digit.
- What is HS Chapter 28 for sulfur dioxide? Covers inorganic chemicals and oxygen compounds of non-metals.
- How do I find HS code for SO2 imports to USA 2025? Use HTS 2811.29.2050 via US ITC tool post-de minimis changes.
- Is sulfur dioxide hazmat under HS 2811.29? Yes, UN 1079 toxic gas requiring special packaging.
- When do GCC 12-digit HS codes start for chemicals? Mandatory January 1, 2025 for sulfur dioxide shipments.
- What are EU HS code changes 2025 for SO2? Refined subheadings like 2811.29.10 for industrial uses.
- Tools for HS code lookup sulfur dioxide 2025? WCO database, national tariff sites like TARIC or ITC.
- Impact of 2025 HS changes on SO2 e-commerce? Stricter duties and compliance for low-value parcels.
- Next WCO HS revision after 2025? Full update scheduled for 2027.
Conclusion
Mastering the **HS code for sulfur dioxide (2811.29)** ensures smooth 2025 trade amid regional updates. Stay ahead with **tariff compliance 2025** best practices. For hazmat shipping support, Book a Demo or contact enquiry@freightamigo.com / HKG: +852 24671689.