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

Product or HTS code

Rate lines24

Code	Description	General	Special	Column 2	Units
	Acyclic aldehydes without other oxygen function
2912.11.00.00	2912.11.00.00Methanal (Formaldehyde)General 2.8% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 12.1% · kg	2.8%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	12.1%	kg
2912.12.00.00	2912.12.00.00Ethanal (Acetaldehyde)General 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 71% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	71%	kg
2912.19	2912.19Other
	Odoriferous or flavoring compounds
2912.19.10.00	2912.19.10.00CitralGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 45% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	45%	kg
2912.19.20.00	2912.19.20.00OtherGeneral 4.8% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 45% · kg	4.8%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	45%	kg
	Other
2912.19.25.00	2912.19.25.00Butanal (Butyraldehyde, normal isomer)General 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 61.5% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	61.5%	kg
2912.19.30.00	2912.19.30.00GlyoxalGeneral 3.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 25% · kg	3.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	25%	kg
2912.19.40.00	2912.19.40.00IsobutanalGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 61.5% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	61.5%	kg
2912.19.50.00	2912.19.50.00OtherGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 37% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	37%	kg
	Cyclic aldehydes without other oxygen function
2912.21.00.00	2912.21.00.00BenzaldehydeGeneral 5.5% · Special Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) · Column 2 15.4¢/kg + 45% · kg	5.5%	Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)	15.4¢/kg + 45%	kg
2912.29	2912.29Other
2912.29.10.00	2912.29.10.00PhenylacetaldehydeGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +40.5% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +40.5%	kg
2912.29.30.00	2912.29.30.003,4-Dimethylbenzaldehyde; Paraldehyde, USP grade; andp-TolualdehydeGeneral Free · Column 2 15.4¢/kg + 58% · kg	Free		15.4¢/kg + 58%	kg
2912.29.60	2912.29.60OtherGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +58%	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +58%
2912.29.60.10	2912.29.60.10Odoriferous or flavoring compoundsGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +58% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +58%	kg
2912.29.60.90	2912.29.60.90OtherGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +58% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +58%	kg
	Aldehyde alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function
2912.41.00.00	2912.41.00.00Vanillin (4-Hydroxy-3-methoxybenzaldehyde)General 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +48% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +48%	kg
2912.42.00.00	2912.42.00.00Ethylvanillin (3-Ethoxy-4-hydroxybenzaldehyde)General 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +80% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +80%	kg
2912.49	2912.49Other
	Aromatic
2912.49.10.00	2912.49.10.00p-AnisaldehydeGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +36% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +36%	kg
2912.49.15.00	2912.49.15.00p-HydroxybenzaldehydeGeneral Free · Column 2 15.4¢/kg + 58% · kg	Free		15.4¢/kg + 58%	kg
2912.49.26.00	2912.49.26.00OtherGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg +58% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg +58%	kg
	Other
	Aldehyde-alcohols
2912.49.55.00	2912.49.55.00HydroxycitronellalGeneral 4.8% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 45% · kg	4.8%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	45%	kg
2912.49.60.00	2912.49.60.00OtherGeneral 5.1% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 37% · kg	5.1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	37%	kg
2912.49.90.00	2912.49.90.00OtherGeneral 4.8% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 45% · kg	4.8%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	45%	kg
2912.50	2912.50Cyclic polymers of aldehydes
2912.50.10.00	2912.50.10.00MetaldehydeGeneral Free · Column 2 40% · kg	Free		40%	kg
2912.50.50.00	2912.50.50.00OtherGeneral 5.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) · Column 2 40% · kg	5.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)	40%	kg
2912.60.00.00	2912.60.00.00ParaformaldehydeGeneral 5.1% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 32.5% · kg	5.1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	32.5%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	China14.92% of imports	Japan13.08% of imports	India12.41% of imports	Germany11.53% of imports	Thailand10.85% of imports	Norway8.98% of imports	Indonesia5.8% of imports	Mexico4.46% of imports	Spain4.26% of imports	France3.33% of imports
2912.11.00.00Methanal (Formaldehyde)	40.3%9903.05.319903.88.03	12.5%9903.05.49	12.8%9903.05.44	10%9903.05.39	15.3%9903.05.77	15.3%9903.05.60	12.8%9903.05.45	12.8%9903.05.55	10%9903.05.39	10%9903.05.39
2912.12.00.00Ethanal (Acetaldehyde)	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.19.10.00Citral	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.19.20.00Other	42.3%9903.05.319903.88.03	12.5%9903.05.49	14.8%9903.05.44	10%9903.05.39	17.3%9903.05.77	17.3%9903.05.60	14.8%9903.05.45	14.8%9903.05.55	10%9903.05.39	10%9903.05.39
2912.19.25.00Butanal (Butyraldehyde, normal isomer)	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.19.30.00Glyoxal	41.2%9903.05.319903.88.03	12.5%9903.05.49	13.7%9903.05.44	10%9903.05.39	16.2%9903.05.77	16.2%9903.05.60	13.7%9903.05.45	13.7%9903.05.55	10%9903.05.39	10%9903.05.39
2912.19.40.00Isobutanal	18%9903.05.31	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.19.50.00Other	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.21.00.00Benzaldehyde	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.29.10.00Phenylacetaldehyde	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.29.30.003,4-Dimethylbenzaldehyde; Paraldehyde, USP grade; andp-Tolualdehyde	37.5%9903.05.319903.88.03	12.5%9903.05.49	10%9903.05.44	10%9903.05.39	12.5%9903.05.77	12.5%9903.05.60	10%9903.05.45	10%9903.05.55	10%9903.05.39	10%9903.05.39
2912.29.60.10Odoriferous or flavoring compounds	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.29.60.90Other	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.41.00.00Vanillin (4-Hydroxy-3-methoxybenzaldehyde)	From 25.5%9903.05.319903.88.15AD/CVD may apply	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.42.00.00Ethylvanillin (3-Ethoxy-4-hydroxybenzaldehyde)	From 43%9903.05.319903.88.03AD/CVD may apply	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.49.10.00p-Anisaldehyde	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.49.15.00p-Hydroxybenzaldehyde	37.5%9903.05.319903.88.03	12.5%9903.05.49	10%9903.05.44	10%9903.05.39	12.5%9903.05.77	12.5%9903.05.60	10%9903.05.45	10%9903.05.55	10%9903.05.39	10%9903.05.39
2912.49.26.00Other	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.49.55.00Hydroxycitronellal	42.3%9903.05.319903.88.03	12.5%9903.05.49	14.8%9903.05.44	10%9903.05.39	17.3%9903.05.77	17.3%9903.05.60	14.8%9903.05.45	14.8%9903.05.55	10%9903.05.39	10%9903.05.39
2912.49.60.00Other	42.6%9903.05.319903.88.03	12.5%9903.05.49	15.1%9903.05.44	10%9903.05.39	17.6%9903.05.77	17.6%9903.05.60	15.1%9903.05.45	15.1%9903.05.55	10%9903.05.39	10%9903.05.39
2912.49.90.00Other	42.3%9903.05.319903.88.03	12.5%9903.05.49	14.8%9903.05.44	10%9903.05.39	17.3%9903.05.77	17.3%9903.05.60	14.8%9903.05.45	14.8%9903.05.55	10%9903.05.39	10%9903.05.39
2912.50.10.00Metaldehyde	37.5%9903.05.319903.88.03	12.5%9903.05.49	10%9903.05.44	10%9903.05.39	12.5%9903.05.77	12.5%9903.05.60	10%9903.05.45	10%9903.05.55	10%9903.05.39	10%9903.05.39
2912.50.50.00Other	43%9903.05.319903.88.03	12.5%9903.05.49	15.5%9903.05.44	10%9903.05.39	18%9903.05.77	18%9903.05.60	15.5%9903.05.45	15.5%9903.05.55	10%9903.05.39	10%9903.05.39
2912.60.00.00Paraformaldehyde	42.6%9903.05.319903.88.03	12.5%9903.05.49	15.1%9903.05.44	10%9903.05.39	17.6%9903.05.77	17.6%9903.05.60	15.1%9903.05.45	15.1%9903.05.55	10%9903.05.39	10%9903.05.39

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).