Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2811.19.61.10Tariff line
Classification path
Other inorganic acids and other inorganic oxygen compounds of nonmetals
2811
Other inorganic acids
Other
Other
Sulfamic acid
2811.19.61.10
Rates of duty
General rate (Column 1)4.2%
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 1393
Measure flags
for origin CN, entry date 2026-10-25 · base rate 4.2%
- 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 2811.19.61 is on L3
- PGAEPA EP7
Confirmed total 41.7% · max 41.7%Full duty breakdown →