Product classification
HS code for Sodium sulphide: 2830.10
Sulphides, of sodium, whether or not chemically defined.
Classification of sodium sulphide under HS 2830.10
Sodium sulphide is classified under HS code 2830.10. This classification is found within Chapter 28, heading 2830, which is dedicated to sulphides and polysulphides, whether or not they are chemically defined. Sodium sulphide is an inorganic salt that typically appears as yellow or red flakes or solid masses due to the presence of iron impurities. The classification 2830.10 covers the various hydration states of the compound, including the anhydrous form and the common nonahydrate. Because it is a distinct chemical compound used extensively in the leather tanning industry for dehairing hides and in the textile industry as a bleaching agent, it is strictly categorized under this specific subheading. It is also used in water treatment to remove heavy metals and in the production of sulfur dyes. The chemical's high reactivity and its ability to release hydrogen sulphide gas when in contact with acids are key characteristics of this substance. Proper classification is essential for safety, as sodium sulphide is a hazardous material that requires specific packaging and documentation for international maritime and air transport.
- Covers
- Sodium monosulphide
- Sodium sulphide flakes
- Sodium sulphide fused
- Hydrated sodium sulphide
- Technical grade sodium sulphide
- Sodium sulphide broken pieces
- Also under 2830.10
- Solvay Sodium Sulphide
- BASF Sodium Sulphide
- Lanxess Sodium Sulphide
- Sigma-Aldrich Sodium Sulphide
Codes often confused with 2830.10
Common mistake. Often confused with sodium hydrosulphide (sodium hydrogen sulphide), which is also classified under 2830.10 in many jurisdictions, though some specific national tariffs might distinguish them under different subheadings. It is also frequently mixed up with sodium sulphate (2833.11) or sodium sulphite (2832.10) due to similar nomenclature. Another error is classification under 2813.90, which covers other sulphides of non-metals.
Top exporters and importers of HS 283010 (the code used for sodium sulphide), 2025
In 2025, the largest exporter of HS 283010 (the code used for sodium sulphide) in UN Comtrade data was China, with 69% of world exports; the largest importer in UN Comtrade data was the DR Congo, with about 11% of world imports. Iran did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 7.2% of its exports here ($1.1M, CEPII BACI), so it may also belong among the top exporters.
Figures cover everything classified under HS 283010, not only sodium sulphide.
Top exporters 2025 · share of world exports
- 1 China $197M 69% of world exports
- 2 United States $39M 14% of world exports
- 3 Germany $15M 5.4% of world exports
Iran did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 7.2% of its exports here ($1.1M, CEPII BACI), so it may also belong among the top exporters.
World total: $286M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 DR Congo* ~$41M 11% of world imports · partner records ↗
- 2 Peru* ~$39M 11% of world imports · partner records ↗
- 3 Russia* ~$34M 9.4% of world imports · partner records ↗
World total: $361M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for sodium sulphide
Brazil splits HS 2830.10 into 2 NCM codes. Pick the one that matches your product:
- 2830.10.10Disodium sulphide
- 2830.10.20Sodium hydrogen sulphide
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about sodium sulphide
What is the HS code for Sodium sulphide?
The HS code for Sodium sulphide is 283010 (Sulphides; of sodium, whether or not chemically defined). The HS code is 2830.10.
How do I classify Sodium sulphide for customs?
Sodium sulphide is classified under HS code 283010 — Sulphides; of sodium, whether or not chemically defined. This is a 6-digit subheading level code.
Is sodium sulphide considered a hazardous material?
Yes, it is a strongly alkaline material and is classified as a corrosive substance (Class 8) for international transport and shipping due to its potential to cause chemical burns.
Which countries are the top exporters of sodium sulphide (HS 283010)?
In 2025, the top exporters of HS 283010 (the code used for sodium sulphide) in UN Comtrade data were China ($197M, 69% of world exports), the United States ($39M) and Germany ($15M). World exports came to about $286M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Iran did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 7.2% of its exports here ($1.1M, CEPII BACI), so it may also belong among the top exporters.
Which countries are the top importers of sodium sulphide (HS 283010)?
In 2025, the top importers of HS 283010 (the code used for sodium sulphide) in UN Comtrade data were the DR Congo (about $41M, 11% of world imports), Peru (about $39M) and Russia (about $34M). World imports came to about $361M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Sodium sulphide the same in all countries?
The base HS code 283010 for Sodium sulphide is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for sodium sulphide in Brazil?
Brazil splits HS 283010 into 2 NCM codes, so the right one for sodium sulphide depends on the product's details: 2830.10.10 (Disodium sulphide), 2830.10.20 (Sodium hydrogen sulphide).