HS Code for Soda Ash (Sodium Carbonate)
The HS Code for soda ash (sodium carbonate) is 283620. The MFN duty rate for importing to the US is 1.2%.
| HS Code (6-digit) | 283620 |
|---|---|
| US Duty Rate (MFN) | 1.2% |
| EU Duty Rate (MFN) | 2.7% |
| Chapter | 28 |
| Heading | 2836 |
| Last Updated | 2026-05 |
Description
Disodium carbonate (soda ash)
HS Code 283620 covers disodium carbonate, known as soda ash, with a US MFN duty rate of 1.2%.
Frequently Asked Questions
What specific customs inspection risks should importers of soda ash (HTS 283620) prepare for?
Soda ash is frequently subject to customs inspections to verify its purity and classification, as a low-purity form (below 99.2% Na2CO3) may be classified under a different HTS heading (2836.20.0010 vs. 2836.20.0050) with a different duty rate. Inspectors will likely request a certificate of analysis to confirm the sodium carbonate content and check for the presence of restricted impurities. Proper Harmonized System (HS) coding is critical, as misclassification can lead to delays, duty recalculation, and penalties.
What are the major additional costs beyond the product price I should budget for when importing Soda Ash (HTS 283620)?
Key cost factors include the Merchandise Processing Fee (MPF) of 0.3464% of the entered value (minimum $29.22, maximum $648.33 per shipment) and potential Harbor Maintenance Fees (HMF) of 0.125% of the cargo value if arriving by vessel. Additionally, you must account for anti-dumping or countervailing duties, as soda ash imports from certain countries like China and Russia are subject to active duty orders, which can add significant tariffs to your landed cost.
Soda Ash Compliance Notes
Soda ash is subject to anti-dumping duty orders in the U.S. (A-570-003) on imports from China, requiring importers to provide case numbers and cash deposit rates. For shipments to the U.S., ensure the country of origin is accurately declared, as some processes to produce synthetic soda ash are considered energy-intensive with potential environmental reporting requirements. Always verify if your product meets the Harmonized Tariff Schedule (HTS) definition of 'soda ash' under 2836.20.0000, as it may be subject to different regulations than other forms of sodium carbonate classified elsewhere.
Related HS Codes
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