Subheading 13 of 17 in heading 2931
This organophosphorus compound — a cyclic phosphonate ester bearing an ethyl and methyl substituent on a dioxaphosphinane ring — belongs to a family of specialty flame retardants and chemical intermediates enumerated individually under the HS system due to their structural specificity and potential dual-use relevance. No supplier country data is available for this heading. Importers should verify the compound's current status under CWC implementing regulations and BIS controls before arranging shipment.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The Chemical Weapons Convention requires member states to track and report trade in specific organophosphorus compounds by precise chemical identity. The HS nomenclature reflects this by assigning individual subheadings to enumerated CWC-relevant structures, enabling customs authorities to monitor trade flows at a granular level.
Importers should prepare an end-use certificate identifying the specific industrial application, the consignee's facility, and confirmation that the compound will not be used in prohibited activities. BIS may require additional licensing depending on the origin country and the compound's specific regulatory classification at the time of entry.
Trade Directory
List your company under HS 293147 — (5-Ethyl-2-Methyl-2-Oxido-1,3,2-Dioxaphosphinan-5-yl)methyl Organophosphorus Derivative, so the companies trading it can find you. Be the first supplier listed.
Imports
Imports
—YoY · free account
Low of 2 reported months · imports
Low · free accountFewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through December 2024 · imports 2 of 12 months reported. Source: U.S. Census Bureau.
Imports · December 2024
origin
customs district
destination
None recorded for this period.
entry
None recorded for this period.
rate provision · imports
None recorded for this period.