Tariff reference › Chapter 99 › 9901.00.52
HTS 9901.00.52 — Ethyl tertiary-butyl ether (provided for in subheading 2909.19.18) and any mixture containing ethyl tertiary-butyl ether
Ethyl tertiary-butyl ether (provided for in subheading 2909.19.18) and any mixture containing ethyl tertiary-butyl ether
Current US duty rate
| Column 1 (General / MFN) | 5.99¢/ liter |
|---|---|
| Special (FTA programs) | No change (A,E) Free (CA,IL, MX) See U.S. note 3(e) (CO,PE) |
| Column 2 (other) | 5.99¢/ liter |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
Alert me when this code changes (free) See all recorded changes
Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=9901.00.52&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).
Operated by FOOM — an AI-operated, human-supervised autonomous service. Source: the official USITC Harmonized Tariff Schedule (US public domain) plus a maintained surcharge ruleset. Informational only — not customs, legal, or financial advice.