Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2903.74.01.00Tariff line
Classification path
Halogenated derivatives of hydrocarbons
2903
Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens
Chlorodifluoroethanes (HCFC-142, 142b)
2903.74.01.00
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 1431
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 2903.74.01 is on L3
- PGAEPA EP1EPA EP5EPA EP7
Confirmed total 41.2% · max 41.2%Full duty breakdown →