Inorganic Chemicals · 1 pending regulation · 1 court case · $25.3M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$25.3M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
LOW
0 rulings — · 1 reg · 0 CIT, 1 CAFC
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A
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Data compiled from USITC HTS, US Census Bureau, Federal Register, CourtListener, Regulations.gov · As of 2026-04-29 · Updates monthly
100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.
List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)
Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.
Effective 2018-07-06
These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →
| Code | Description | Rate |
|---|---|---|
| 2836.20.00.00 | Disodium carbonate | 1.2% |
| 2836.30.00.00 | Sodium hydrogencarbonate (Sodium bicarbonate) | Free |
| 2836.40 | Potassium carbonates: | — |
| 2836.40.10.00 | Dipotassium carbonate | 1.9% |
| 2836.40.20.00 | Potassium hydrogencarbonate (Potassium bicarbonate) | 1.3% |
| 2836.50.00.00 | Calcium carbonate | Free |
| 2836.60.00.00 | Barium carbonate | 2.3% |
| 2836.91.00 | Lithium carbonates | 3.7% |
| 2836.91.00.10 | U.S.P. grade | — |
| 2836.91.00.50 | Other | — |
| 2836.92.00.00 | Strontium carbonate | 4.2% |
| 2836.99 | Other: | — |
| 2836.99.10.00 | Cobalt carbonates | 4.2% |
| 2836.99.20.00 | Bismuth carbonate | 5.5% |
| 2836.99.30.00 | Commercial ammonium carbonate and other ammonium carbonates | 1.7% |
| 2836.99.40.00 | Lead carbonates | 0.5% |
| 2836.99.50 | Other | 3.7% |
| 2836.99.50.10 | Zirconium carbonates | |
| 2836.99.50.50 | Other |
Final rule.·Effective 2014-06-17
USTR regulatory documents related to this tariff code from Regulations.gov.
Comment from Buckeye International, Inc. , Rock Trade Law, LLC
Exclusion Granted, VBN Sales LLC, DBA Aleko Products, Gate and Gate Opener, HTS 7308909590
Exclusion Denied, Kendall Source, Inc., light emitting diodes, HTS 8541402000
Source: Regulations.gov
DISODIUM CARBONATE
Census Bureau export classification matching this HTS import code.
