Chapter 29: Organic chemicals

HTS heading 2925: Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds

17 numbered lines under heading 2925, including 14 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2925
HTS codeDescriptionUnitGeneralSpecialColumn 2
2925Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds:
Imides and their derivatives; salts thereof:
2925.11.00.00Saccharin and its saltskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 61%
2925.12.00.00Glutethimide (INN)kgFree15.4¢/kg + 61%
2925.19Other:
Aromatic:
2925.19.10.00Ethylenebistetrabromophthalimidekg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 61%
2925.19.30.00Bis(o-tolyl)carbodiimide; and 2,2',6,6'-Tetra isopropyl diphenyl carbodiimidekgFree15.4¢/kg + 61%
2925.19.42.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 61%
Other:
2925.19.70.00N-Chlorosuccinimide; andN,N'-Ethylene bis (5,6-dibromo-2,3- norbornane dicarboximide)kgFree25%
2925.19.91.00Otherkg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%
Imines and their derivatives; salts thereof:
2925.21.00.00Chlordimeform (ISO)kg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 61%
2925.29Other:
Aromatic:
2925.29.10.00N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidinekg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 41%
2925.29.18.00N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloridekgFree15.4¢/kg + 61%
Other:
2925.29.20.00Drugskg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 67.5%
2925.29.60.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 61%
Other:
2925.29.70.00TetramethylguanidinekgFree25%
2925.29.90.00OtherNote: See 9903.90.08.kg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.