HS 283010 Sodium sulphides

Quick Answer: HS Code 283010 covers "Sodium sulphides," which are inorganic chemical compounds primarily used in various industrial applications. These include the production of dyes, paper pulp, and rubber chemicals, as well as in ore flotation and water treatment. Importers and exporters should note the varying duty rates across major jurisdictions. In the UK, the Most Favoured Nation (MFN) duty rate is 4.00% ad valorem. The EU applies an MFN rate of 5.50% ad valorem. For the United States, the MFN rate is 3.7% ad valorem, with specific subheadings potentially attracting a 25% rate, while numerous Free Trade Agreements (FTAs) offer duty-free entry (e.g., under agreements with Australia, Bahrain, Chile, Colombia, Israel, Korea, Mexico, Panama, Peru, Singapore). Accurate classification is crucial to leverage these preferential rates.

What Are the Import Duty Rates?

🇬🇧 United Kingdom

Code MFN Preferential Unit
2830100000 4.00 %

🇪🇺 European Union (TARIC)

Code MFN Preferential Unit
2830100000 5.50 %

🇺🇸 United States (HTSUS)

Code MFN Preferential Unit
2830100000 3.7% Free (17 programs) ["kg"]

Special rates available under trade agreements including USMCA, KORUS, GSP.

Duty rates sourced from the USITC (US International Trade Commission) Harmonized Tariff Schedule (HTS) (accessed 2/22/2026), EU TARIC – DG TAXUD (Directorate-General for Taxation and Customs Union) (accessed 2/22/2026), and UK Trade Tariff – HMRC (His Majesty's Revenue and Customs) (accessed 2/22/2026).

Data compiled and presented by HSRates.

Which Trade Agreements Reduce Duties for HS 2830.10?

Imports of Sodium sulphides may qualify for reduced or zero duty rates under free trade agreements and preferential programs. The overview below shows available preferential arrangements by jurisdiction, compiled by HSRates from official tariff and trade agreement data.

United States (HTSUS)

Free for USMCA, KORUS, GSP, and 14 other programs

European Union (TARIC)

Preferential rate data not yet available.

United Kingdom

Preferential rate data not yet available.

Preferential rates require proof of origin and may be subject to quotas or conditions. Always verify eligibility with a licensed customs broker.

Data compiled by HSRates.

Which Preferential Rates Apply to Your Origin Country?

Select an origin country to see if preferential rates apply.

Preferential rates based on available trade agreements. Actual rates may vary.

How Has Trade Volume Developed?

How to Classify This HS Code?

What products does HS 283010 cover?

This subheading covers sodium sulphides, which are inorganic chemical compounds of sodium and sulfur. Specifically, it encompasses disodium monosulphide (Na2S) and its hydrates, as well as sodium hydrogen sulphide (NaHS), also known as sodium hydrosulphide. These chemicals are typically encountered in solid form, such as flakes, pellets, or fused masses, and are widely used in various industrial applications, including the leather tanning industry for dehairing hides, in the production of dyes, and as a reducing agent in chemical synthesis. The scope aligns with the WCO Harmonized System Explanatory Notes for Heading 2830 and is consistently applied in national tariffs like the USITC Harmonized Tariff Schedule and the EU TARIC.

What falls outside HS 283010?

The following products are excluded from HS 283010: sodium thiosulphate, which is classified under HS 2832.10.00, and sodium dithionite (sodium hydrosulphite), which falls under HS 2831.10.00. Additionally, complex inorganic sulphides containing other metals in addition to sodium, or organic compounds of sulfur and sodium, would be classified elsewhere, often in Chapter 29 for organic chemicals or under other specific inorganic compound headings. For instance, sodium polysulphides, which have a different chemical structure and distinct applications, are also excluded and would typically be classified under other inorganic sulphide headings or specific residual categories if not explicitly provided for.

What are common classification mistakes for HS 283010?

A common error is misclassifying other sodium-sulfur compounds, such as sodium thiosulphate or sodium dithionite, as sodium sulphides due to their similar chemical names or industrial uses. Importers sometimes overlook the precise chemical distinction, leading to incorrect tariff assignments. Another mistake involves failing to differentiate between pure sodium sulphides and mixtures or preparations containing sodium sulphides, where the latter might be classified under different headings based on the predominant component or function, often guided by General Interpretative Rule (GRI) 3(b) for mixtures. Accurate classification requires a detailed understanding of the chemical composition and adherence to the specific nomenclature of Chapter 28.

How should importers classify products under HS 283010?

The correct procedure for classifying products under HS 283010 involves first confirming the precise chemical identity of the substance. Importers and customs brokers should obtain a detailed chemical analysis or Safety Data Sheet (SDS) to verify that the product is indeed sodium sulphide (Na2S or NaHS) and not a related but distinct compound like sodium thiosulphate or sodium dithionite. Next, consult the WCO Harmonized System Explanatory Notes for Heading 2830 to ensure alignment with international interpretations. Finally, cross-reference with the specific national tariff schedule (e.g., USITC HTS or EU TARIC) to confirm the exact 8-digit or 10-digit subheading and applicable duty rates, ensuring all documentation accurately reflects the chemical composition for compliance.

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FAQ

What are the typical Most Favored Nation (MFN) import duty rates for HS code 2830.10 (Sodium sulphides) in major markets, and how can preferential rates be applied?

The MFN (Most Favored Nation) import duty rates for HS 2830.10 can vary significantly by importing country. For example, the United States generally applies a 3.7% ad valorem duty rate under the Harmonized Tariff Schedule of the United States (HTSUS) for goods from non-preferential countries. The European Union's TARIC database may show rates around 5.50% ad valorem, while other countries could have rates such as 4.00% or even 25% ad valorem. Importers should consult the specific tariff schedule of the destination country (e.g., USITC HTSUS, EU TARIC, UK Trade Tariff) for the precise MFN rate.

Preferential duty rates, often 'Free' (0% ad valorem), are available under various Free Trade Agreements (FTAs) or Generalized System of Preferences (GSP) programs. For HS 2830.10, preferential 'Free' rates are commonly available for imports into the U.S. from countries like Australia (AU), Bahrain (BH), Chile (CL), Colombia (CO), Israel (IL), Jordan (JO), Korea (KR), Morocco (MA), Oman (OM), Panama (PA), Peru (PE), and Singapore (SG), provided the goods meet the respective Rules of Origin. Similar preferential access exists in other markets under their specific agreements. To claim a preferential rate, importers must ensure the goods originate in a qualifying country and possess the necessary documentation, such as a Certificate of Origin (e.g., Form A for GSP, specific FTA certificates).

What are the key classification criteria for 'Sodium sulphides' under HS 2830.10, and what common errors should importers avoid?

HS code 2830.10 specifically covers 'Sodium sulphides.' The primary classification criterion is the chemical identity of the product: it must be a sulphide of sodium. This includes anhydrous sodium sulphide, sodium sulphide nonahydrate, and other hydrated forms. The World Customs Organization (WCO) Explanatory Notes for Chapter 28 provide guidance that this heading covers chemically defined sodium sulphides.

Common classification errors often arise when the product is not a pure sodium sulphide but a mixture, solution, or preparation containing sodium sulphide. If the product is a mixture, its classification might shift to other headings in Chapter 28 (e.g., for other inorganic chemicals) or even Chapter 38 (e.g., for miscellaneous chemical products or preparations not elsewhere specified or included), depending on its composition and primary function. Importers must ensure the product's chemical name, CAS number, and purity align precisely with the description for 2830.10. A Certificate of Analysis (CoA) is crucial for verifying the chemical composition and preventing misclassification.

What specific documentation is required for importing sodium sulphides (HS 2830.10), beyond standard shipping documents?

Beyond standard shipping documents such as the commercial invoice, packing list, and bill of lading/air waybill, importing sodium sulphides (HS 2830.10) often requires additional specific documentation due to its chemical nature and potential regulatory controls. Key documents include:

  1. Safety Data Sheet (SDS/MSDS): Essential for all chemical imports, providing information on hazards, safe handling, storage, and emergency procedures. This is critical for customs, transport, and occupational safety compliance.
  2. Certificate of Analysis (CoA): Verifies the chemical composition, purity, and specifications of the sodium sulphide, which is vital for classification accuracy and quality control.
  3. Certificate of Origin: Required if claiming preferential duty rates under a Free Trade Agreement (FTA) or GSP scheme. This document certifies the country where the goods were produced or manufactured.
  4. Import Licenses/Permits: While sodium sulphides are not typically subject to strict import licensing in many countries, some jurisdictions may require permits for certain chemical imports, especially if they are considered precursors or hazardous substances. Importers should verify with the relevant national chemical control authorities (e.g., EPA in the US, ECHA in the EU) or customs administration.
  5. Dangerous Goods Declaration: If transported as dangerous goods (e.g., UN 1385 for Sodium sulphide, anhydrous or with less than 30% water of crystallization; UN 1849 for Sodium sulphide, hydrated with not less than 30% water), a declaration compliant with international transport regulations (IMDG Code for sea, IATA DGR for air, ADR for road) is mandatory.
How do major trade agreements, such as the USMCA or EU-UK Trade and Cooperation Agreement, impact the import of sodium sulphides (HS 2830.10)?

Major trade agreements significantly impact the import of sodium sulphides (HS 2830.10) by potentially offering duty-free access or reduced tariffs, provided the goods meet the agreement's Rules of Origin.

For example, under the US-Mexico-Canada Agreement (USMCA), sodium sulphides originating in Mexico or Canada and imported into the United States (or vice versa) would generally qualify for a 'Free' (0% ad valorem) duty rate. The specific Rule of Origin for HS 2830.10 under USMCA typically requires a change in tariff classification (e.g., from a non-originating material to the finished good) or a regional value content requirement. Importers must have a valid Certificate of Origin or an origin certification statement to claim these benefits.

Similarly, the EU-UK Trade and Cooperation Agreement (TCA) allows for duty-free and quota-free trade of originating goods between the EU and the UK. Sodium sulphides originating in the EU and imported into the UK (or vice versa) would benefit from a 'Free' duty rate, provided they meet the TCA's specific Rules of Origin. These rules often involve a change in tariff heading or a maximum percentage of non-originating materials. Importers must ensure they have a valid Statement on Origin or Importer's Knowledge to claim preferential treatment.

Importers should always consult the specific text of the relevant trade agreement and its annexes on Rules of Origin to ensure compliance and accurately claim preferential duty rates, as non-compliance can lead to penalties and retroactive duty assessments.