Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2932.20.50.10Tariff line
Classification path
Heterocyclic compounds with oxygen hetero-atom(s) only
2932
Lactones
Other
Other
Butyrolactone
2932.20.50.10
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 225%
Unitkg
Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1540
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: not on any listN/A—8-digit subheading 2932.20.50 is not on Lists 1–4B or the four-year-review lists
- PGAEPA EP7DEA DE1
Confirmed total 16.2% · max 16.2%Full duty breakdown →