Inorganic Chemicals · 1 pending regulation · 2 court cases · $31.4M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$31.4M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
MODERATE
2 rulings — · 1 reg · 1 CIT, 1 CAFC
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 4 NCM codes
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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, Federal Register, CourtListener, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-26 · 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 |
|---|---|---|
| 2811.22 | Silicon dioxide: | — |
| 2811.22.10.00 | Synthetic silica gel | 3.7% |
| 2811.22.50.00 | Other | Free |
Modification of NY J83810; Tariff classification of two samples of silicon dioxide “C-Gel”, synthetic silica gel, from Switzerland
Request for Further Review of Protest Number 1601-21-105798; Classification; Applicability of Section 301 Trade Remedies; Silica Gel.
Interim regulations; solicitation of comments.·Effective 1994-01-01
SILICON DIOXIDE
Census Bureau export classification matching this HTS import code.
