HTS 2831.10 (2831.10.00) duty rate
2831.10.00 is not a rated tariff line. Subheading 2831.10 (Dithionites and sulfoxylates › Of sodium) is split into 2 tariff lines, and the duty rate depends on which one your product falls under:
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2831.10.10 | Sodium formaldehyde sulfoxylate | Free | List 3 +25% | |
| 2831.10.50 | Of sodium: Other | 5.5% | List 3 +25% |
Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.
Subheading 2831.10 at a glance
- 2 rated tariff lines; 1 duty-free at the general (MFN) rate.
- Ad valorem general rates from 5.5% to 5.5%.
- Section 301 (products of China): 2 of 2 lines on a list in effect (List 3).
Heading 2831 · Chapter 28 · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.
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