HTS 9901.00.52
Ethyl tertiary-butyl ether (provided for in subheading 2909.19.18) and any mixture containing ethyl tertiary-butyl ether
Chapter 99
Current Duty Rates
Source: USITC Harmonized Tariff Schedule — Last updated April 8, 2026
Rates reflect current base duties plus applicable surcharges. Section 301 rates apply to China-origin goods. Verify with your customs broker for your specific classification.
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Recent Changes
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Frequently Asked
What is HTS 9901.00?
HTS 9901.00 covers ethyl tertiary-butyl ether (provided for in subheading 2909.19.18) and any mixture containing ethyl tertiary-butyl ether. It falls under Chapter 99 of the Harmonized Tariff Schedule of the United States.
What is the duty rate for HTS 9901.00.52?
The base (MFN) duty rate for HTS 9901.00.52 is 5.99¢/ liter. Special preferential rates may apply: No change (A,E) Free (CA,IL, MX) See U.S. note 3(e) (CO,PE).
Are there any exclusions for HTS 9901.00.52?
Exclusions may apply depending on active Section 301 or Section 232 exclusion lists. Check the USTR exclusion portal or use TariffDesk to monitor this code for changes, including new exclusions.
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