Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2934.10.70.00Tariff line
Classification path
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934
Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
Other
4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride
2934.10.70.00
Rates of duty
General rate (Column 1)Free
Special—
Column 230.5%
Unitkg
Printed page 1563
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 4B (9903.88.16, suspended)9903.88.16Suspended+15% (suspended)List 4B is suspended indefinitely; not collected
- PGAEPA EP5EPA EP7
Confirmed total 12.5% · max 12.5%Full duty breakdown →