HS code 281122: Silicon Dioxide
- Covers:
- Other inorganic acids and other inorganic oxygen compounds of non-metals: Silicon dioxide.
- Listed US duty:
- 0%–3.7% (US general rate, HTS 2026)
Official description
Other inorganic acids and other inorganic oxygen compounds of non-metals : Other inorganic oxygen compounds of non-metals : Silicon dioxide
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 281122 covers and what it doesn’t
Official text: Other inorganic acids and other inorganic oxygen compounds of non-metals › Other inorganic oxygen compounds of non-metals › Silicon dioxide.
Nearby codes to check
- Heading 2811 Other inorganic acids and other inorganic oxygen compounds of non-metals: every subheading side by side.
- 281111 Other inorganic acids — Hydrogen fluoride (hydrofluoric acid)
- 281112 Other inorganic acids — Hydrogen cyanide (hydrocyanic acid)
- 281119 Other inorganic acids — Other
- 281121 Other inorganic oxygen compounds of non-metals — Carbon dioxide
- 281129 Other inorganic oxygen compounds of non-metals — Other
US duty rate
0%–3.7%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Who imports under 281122
EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 281122 →
Common questions
- What is HS code 281122?
- Other inorganic acids and other inorganic oxygen compounds of non-metals : Other inorganic oxygen compounds of non-metals : Silicon dioxide
- What duty rates apply to 281122?
- Listed US duty: 0%–3.7% (US general rate, HTS 2026).
Go beyond the code
Classify a product and check the duty for your destination with the CLI, then keep researching in your own agent.