Section VI — Products of the chemical or allied industries
Chapter 29 — Organic chemicals
Heading 2912 — Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde.
Subheading 2912.50 — Cyclic polymers of aldehydes
HS code
2912.50.90 Cyclic polymers of aldehydes excl metaldehydes
Last Verified Date - 1 October 2026
Common commodities
Trioxane crystalsParaldehyde powderCyclic trimer of acetaldehydeFormed cyclic aldehyde oligomerAcetaldehyde tricyclic compoundTrimeric aldehyde cycle structureCyclized formaldehyde oligomerAcetaldehyde triple ringFormaldehyde cyclic trioxaneTricyclic aldehyde derivative