Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes
2804.40.00.00Tariff line
Classification path
Hydrogen, rare gases and other nonmetals
2804
Oxygen
2804.40.00.00
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%
Unitthousand m3
Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1389
Measure flags
for origin CN, entry date 2026-10-25 · 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 2804.40.00 is on L3
- 232 steel / aluminum / copper & derivatives (BIS proposed inclusion, not in effect)proposedInfo—Oxygen, in filled steel containers (description summarizes the proposal; it is not the annex text); BIS inclusion request under review (91 FR 50756) — no duty until a final determination
- PGAFDA FD3EPA EP7
Confirmed total 41.2% · max 41.2%Full duty breakdown →