HS Code Lookup for Heading 2831

HS Code Lookup helps classify products under appropriate HS code and find duties applicable across 140+ countries. Find and discover HS classification, tariffs, taxes, controls, rulings, ECCNs, and default and preferential duties for HS code 2831.

Heading 2831

Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes - Dithionites and sulphoxylates.

List of Sub Headings & Description

283110 Of sodium

283190 Other

WCO Notes for Heading 2831

28.31 ‑ Dithionites and sulphoxylates.

2831.10 ‑ Of sodium

2831.90 ‑ Other

Dithionites (hydrosulphites) are the salts of dithionous (“hydrosulphurous”) acid (H₂S₂O₄) which has not been isolated in the free state. They are obtained by reducing (with zinc powder) solutions of hydrogen sulphites saturated with sulphur dioxide. They are reducing agents employed in the chemical, textile or sugar industries, mainly for bleaching.

The most important is sodium dithionite(Na₂S₂O₄), anhydrous white powder, soluble in water, or hydrated (with 2 H₂O) in colourless crystals. It is used in organic synthesis, in the dyeing industry and for paper‑making. It deteriorates rather rapidly, even when crystallised. For certain uses (e.g., as a discharge in the textile industry), sodium dithionite must therefore be stabilised with formaldehyde, sometimes with the addition of zinc oxide or glycerol. It may also be stabilised with acetone.

Dithionites of potassium, calcium, magnesium and zinc, which may be stabilised by similar processes, are products similar to sodium dithionite, with similar properties and uses.

The heading includes all these stabilised dithionites and also formaldehyde sulphoxylate which is a similar product.

Sulphites and thiosulphates are excluded (heading 28.32).

FAQs

What is HS code 2831?

HS code 2831 includes Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes - Dithionites and sulphoxylates..

How many sub-headings are there in HS code 2831?

There are 2 sub-heading(s) in HS code 2831.

What is an HS Code and Why Does it Hold For Cross-Border Trade?

HS code is a standardized six-digit numerical classification system developed by the World Customs Organization (WCO) and acts as a universal language for simplifying the process of identifying and classifying traded products. They ensure consistent customs clearance, enable accurate duty calculation, and help identify relevant trade regulations. This simplifies the process for businesses, saving time, reducing risk, and promoting informed decision-making.

What are Controls and Why should Businesses Focus on Them?

In global trade, controls refer to a set of regulations and policies implemented by governments to manage the import and export of goods and services. These controls can take various forms, including tariffs, quotas, embargoes, export controls, and licensing requirements. Companies should prioritize understanding and adhering to them for compliance, reduced risk of legal issues, mitigating reputational damage, staying competitive, and building trust with governments.

What are Tariffs in Global Trade and Why should Businesses Focus on Them?

In global trade, tariffs are a type of tax levied by a government on imported goods. They act as a financial barrier to entry, increasing the overall cost of the imported product for domestic consumers and businesses. By understanding how tariffs work and their potential impact, companies can make informed decisions about pricing, sourcing, and market expansion, ultimately ensuring their competitiveness in the global marketplace.

What are FTAs in Global Trade and Why should Businesses Focus on Them?

In global trade, Free Trade Agreements (FTAs) are legally binding agreements between two or more countries aimed at reducing or eliminating barriers to trade between them. By understanding the terms of relevant FTAs and strategically incorporating them into their business plans, companies can enjoy reduced costs, expanded market access, and a more competitive edge in international trade.