Chapter 29: Organic chemicals

HTS heading 2917: Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivativ…

45 numbered lines under heading 2917, including 36 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2917
HTS codeDescriptionUnitGeneralSpecialColumn 2
2917Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives:
Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
2917.11.00.00Oxalic acid, its salts and esterskg3.1%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)34.5%
2917.12Adipic acid, its salts and esters:
2917.12.10.00Adipic acidkg6.5%Free (AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 63%
Other:
2917.12.20.00Plasticizerskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%
2917.12.50.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 53.5%
2917.13.00Azelaic acid, sebacic acid, their salts and esters4.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%
2917.13.00.30Sebacic acidkg
2917.13.00.90Otherkg
2917.14Maleic anhydride:
2917.14.10.00Derived in whole or in part from benzene or other aromatic hydrocarbonskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 50%
2917.14.50.00Otherkg4.2%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2917.19Other:
2917.19.10.00Ferrous fumaratekg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 45%
Fumaric acid:
2917.19.15.00Derived in whole or in part from aromatic hydrocarbonskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 87%
2917.19.17.00Otherkg4.2%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
Maleic acid; succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane; glutaric acid derived in whole or in part from cyclopentanone; andanhydrides, halides, peroxides, peroxyacids and other derivatives of adipic acid, of fumaric acid derived in whole or in part from aromatic hydrocarbons, of maleic acid, of succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane or of glutaric acid derived in whole or in part from cyclopentanone, not elsewhere specified or included:
2917.19.20.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 53.5%
Other:
2917.19.23.00Maleic acidkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 53.5%
2917.19.27.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 53.5%
2917.19.30.00Ethylene brassylatekg4.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
2917.19.35.00Malonic acidkgFree25%
Other:
2917.19.40.00Derived in whole or in part from aromatic hydrocarbonskg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%
2917.19.70Other4%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%
2917.19.70.20Plasticizerskg
2917.19.70.50Otherkg
2917.20.00.00Cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivativeskg4.2%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)25%
Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
2917.32.00.00Dioctyl orthophthalateskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%
2917.33.00Dinonyl or didecyl orthophthalates6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%
2917.33.00.10Diisodecyl orthophthalatekg
2917.33.00.50Otherkg
2917.34.01Other esters of orthophthalic acid6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%
2917.34.01.10Dibutyl orthophthalatekg
2917.34.01.50Otherkg
2917.35.00.00Phthalic anhydridekg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 49%
2917.36.00.00Terephthalic acid 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 + 57%
2917.37.00.00Dimethyl terephthalatekg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 42%
2917.39Other:
2917.39.04.001,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydridekg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 37%
2917.39.08.00Naphthalic anhydridekgFree15.4¢/kg + 37%
2917.39.12.004,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)kgFree15.4¢/kg + 73%
2917.39.15.00Isophthalic acidkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 40%
2917.39.17.00Tetrabromophthalic anhydridekg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 73%
Other:
2917.39.20.00Plasticizerskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 57%
Other:
2917.39.30.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 73%
2917.39.70.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 73%

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.