Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2833.29.51.90Tariff line
Classification path
Sulfates; alums; peroxosulfates (persulfates)
2833
Other sulfates
Other
Other
Other
2833.29.51.90
Rates of duty
General rate (Column 1)3.7%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 230%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1407
Measure flags
for origin CN, entry date 2026-10-26 · base rate 3.7%
- Section 301 forced-labor tariff (12.5%)9903.05.86ExemptexemptOn the note 52(b) general exemption list (exempt by HTS line; enter under 9903.05.86)
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2833.29.51 is on L3
- PGAFDA FD3EPA EP7
Confirmed total 28.7% · max 28.7%Full duty breakdown →