Chapter 29: Organic chemicals

HTS heading 2912: Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde

30 numbered lines under heading 2912, including 24 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2912
HTS codeDescriptionUnitGeneralSpecialColumn 2
2912Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde:
Acyclic aldehydes without other oxygen function:
2912.11.00.00Methanal (Formaldehyde)kg2.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)12.1%
2912.12.00.00Ethanal (Acetaldehyde)kg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)71%
2912.19Other:
Odoriferous or flavoring compounds:
2912.19.10.00Citralkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
2912.19.20.00Otherkg4.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
Other:
2912.19.25.00Butanal (Butyraldehyde, normal isomer)kg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)61.5%
2912.19.30.00Glyoxalkg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2912.19.40.00Isobutanalkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)61.5%
2912.19.50.00Otherkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)37%
Cyclic aldehydes without other oxygen function:
2912.21.00.00Benzaldehydekg5.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 45%
2912.29Other:
2912.29.10.00Phenylacetaldehydekg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +40.5%
2912.29.30.003,4-Dimethylbenzaldehyde; Paraldehyde, USP grade; andp-TolualdehydekgFree15.4¢/kg + 58%
2912.29.60Other5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +58%
2912.29.60.10Odoriferous or flavoring compoundskg
2912.29.60.90Otherkg
Aldehyde alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function:
2912.41.00.00Vanillin (4-Hydroxy-3-methoxybenzaldehyde)kg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +48%
2912.42.00.00Ethylvanillin (3-Ethoxy-4-hydroxybenzaldehyde)kg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +80%
2912.49Other:
Aromatic:
2912.49.10.00p-Anisaldehydekg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +36%
2912.49.15.00p-HydroxybenzaldehydekgFree15.4¢/kg + 58%
2912.49.26.00Otherkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +58%
Other:
Aldehyde-alcohols:
2912.49.55.00Hydroxycitronellalkg4.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
2912.49.60.00Otherkg5.1%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)37%
2912.49.90.00Otherkg4.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)45%
2912.50Cyclic polymers of aldehydes:
2912.50.10.00MetaldehydekgFree40%
2912.50.50.00Otherkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)40%
2912.60.00.00Paraformaldehydekg5.1%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)32.5%

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.