Dioxaphosphinane Phosphonate 98% Technical Grade from Canada
Technical grade (98% purity) (5-Ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl) methyl methyl methylphosphonate used in specialty chemical manufacturing. Falls under HTS 2931.47.00.00 as a chemically defined non-halogenated organo-phosphorus compound per Chapter 29 scope.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Label with exact chemical name and EC number for EU REACH compliance during transshipment
• Verify stabilizer content <1% to maintain classification as pure compound vs. mixture
• Use UN-approved packaging for corrosive phosphonate compounds to meet DOT hazardous materials requirements