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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tabletted for fuel use
Chapter 29 excludes fuel-form substances (note ij), directing to Chapter 36.
If monomeric methanal
Polymerized cyclic structure specifically excludes from basic aldehyde headings.
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Import Tips & Compliance
• Melting point (62°C) and cyclic structure confirmation via DSC/NMR
• UN 1166 classification for flammable solid transport
• Purity certificate excluding polymer impurities >2%
Related Products 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.