Other
Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde: > Aldehyde alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function: > Other: > Other: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2912.49.90.00
Cinnamaldehyde
Cinnamaldehyde is an organic compound with the formula C9H8O, featuring both aldehyde and unsaturated oxygen functions, used primarily as a flavoring agent in cinnamon and perfumes. It falls under HTS 2912.49.90.00 as an aldehyde with other oxygen function, not specifically covered by more narrow subheadings. This classification applies to its chemically defined structure as a separate organic compound per Chapter 29 notes.
Vanillin
Vanillin (4-hydroxy-3-methoxybenzaldehyde) is a phenolic aldehyde used as synthetic vanilla flavoring, containing both aldehyde and phenolic oxygen functions. Classified under HTS 2912.49.90.00 as an aldehyde-phenol with other oxygen function. Meets Chapter 29 requirements for separate chemically defined organic compounds.
Helional
Helional (3-(1,3-benzodioxol-5-yl)-2-methylpropanal) is a synthetic fragrance aldehyde with cyclic ether oxygen functions, used in floral perfumes. Falls under HTS 2912.49.90.00 as aldehyde-ether with other oxygen function. Qualifies as chemically defined compound per Chapter 29 scope.
Hydroxycitronellal
Hydroxycitronellal is an aldehyde alcohol used in lily-of-the-valley fragrances, featuring both aldehyde and hydroxyl oxygen functions. Classified in HTS 2912.49.90.00 as 'aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function - other.' Chemically defined per Chapter 29 note (a).
Citronellal
Citronellal, an acyclic monoterpene aldehyde from citronella oil, used in perfumery and as citronella repellent precursor. Falls under HTS 2912.49.90.00 as aldehyde with other oxygen function due to its unsaturated structure. Separate chemically defined compound per Chapter notes.
2-Methylundecanal
2-Methylundecanal is a synthetic aldehyde used in aldehydic-floral perfumes, featuring branched chain with aldehyde oxygen function. Classified HTS 2912.49.90.00 as other aldehyde with oxygen function. Meets criteria for separate organic compound.
Trioxane
1,3,5-Trioxane is a cyclic trimer of formaldehyde used as fuel tablet component and chemical intermediate, qualifying as cyclic polymer of aldehyde per heading 2912 scope. Classified HTS 2912.49.90.00 as other aldehyde-oxygen compound. Chemically defined heterocyclic structure.
Pinoacetaldehyde
Pinoacetaldehyde (3,7-dimethyl-1,6-octadien-3-ol acetaldehyde) from pine oil, used in perfumery, features both aldehyde and tertiary alcohol functions. HTS 2912.49.90.00 classification as aldehyde-alcohol oxygen function compound.
Lyral
Lyral (4-(4-hydroxy-4-methylpentyl)-3-cyclohexene-1-carboxaldehyde) is a synthetic lily fragrance aldehyde with phenolic hydroxyl function. Classified HTS 2912.49.90.00 as aldehyde with other oxygen function.
alpha-Amylcinnamaldehyde
alpha-Amylcinnamaldehyde (2-benzylideneheptanal) used in jasmine-rose fragrances, featuring alpha,beta-unsaturated aldehyde oxygen function. HTS 2912.49.90.00 as other aldehyde-oxygen compound.
4-Terpinenal
4-Terpinenal is a monoterpene aldehyde from tea tree oil with p-menthadiene structure and aldehyde function, used in antimicrobial fragrances. Classified HTS 2912.49.90.00.
Cuminaldehyde
Cuminaldehyde (4-isopropylbenzaldehyde) from cumin oil, used in spice fragrances, featuring aromatic aldehyde oxygen function. HTS 2912.49.90.00 classification.
Perillaldehyde
Perillaldehyde from perilla oil, featuring conjugated enal system, used in herbaceous fragrances. Oxygen-functional aldehyde for HTS 2912.49.90.00.
Undecylenic Aldehyde
Undecylenic aldehyde (10-undecenal) used in violet-musk fragrances, featuring terminal double bond and aldehyde function. HTS 2912.49.90.00 other oxygen-functional aldehyde.
Mefurfural
Mefurfural (5-methyl-2-furaldehyde) heterocyclic aldehyde from wood smoke, used in savory fragrances. Furan ring aldehyde qualifies HTS 2912.49.90.00 classification.