Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes

2833.29.40.00Tariff line

Classification path

Sulfates; alums; peroxosulfates (persulfates)
2833
Other sulfates
Other
Of chromium
2833.29.40.00

Rates of duty

General rate (Column 1)3.7%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg

Free (A, AU, BH, CL, CO, D, E, IL, JO, 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%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
  • China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2833.29.40 is on L3
  • PGAEPA EP7

Confirmed total 41.2% · max 41.2%Full duty breakdown →

U.S. → China →